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-rw-r--r--library/backend/vcc.y2438
-rw-r--r--library/backend/vcc_yacc.cpp2153
2 files changed, 2298 insertions, 2293 deletions
diff --git a/library/backend/vcc.y b/library/backend/vcc.y
index bec2955..eca7c32 100644
--- a/library/backend/vcc.y
+++ b/library/backend/vcc.y
@@ -1,1219 +1,1219 @@
-%{
-
-/***************************************************************************
-(C) Copyright 1996 Apple Computer, Inc., AT&T Corp., International
-Business Machines Corporation and Siemens Rolm Communications Inc.
-
-For purposes of this license notice, the term Licensors shall mean,
-collectively, Apple Computer, Inc., AT&T Corp., International
-Business Machines Corporation and Siemens Rolm Communications Inc.
-The term Licensor shall mean any of the Licensors.
-
-Subject to acceptance of the following conditions, permission is hereby
-granted by Licensors without the need for written agreement and without
-license or royalty fees, to use, copy, modify and distribute this
-software for any purpose.
-
-The above copyright notice and the following four paragraphs must be
-reproduced in all copies of this software and any software including
-this software.
-
-THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS AND NO LICENSOR SHALL HAVE
-ANY OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR
-MODIFICATIONS.
-
-IN NO EVENT SHALL ANY LICENSOR BE LIABLE TO ANY PARTY FOR DIRECT,
-INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT
-OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
-DAMAGE.
-
-EACH LICENSOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF NONINFRINGEMENT OR THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.
-
-The software is provided with RESTRICTED RIGHTS. Use, duplication, or
-disclosure by the government are subject to restrictions set forth in
-DFARS 252.227-7013 or 48 CFR 52.227-19, as applicable.
-
-***************************************************************************/
-
-/*
- * src: vcc.c
- * doc: Parser for vCard and vCalendar. Note that this code is
- * generated by a yacc parser generator. Generally it should not
- * be edited by hand. The real source is vcc.y. The #line directives
- * can be commented out here to make it easier to trace through
- * in a debugger. However, if a bug is found it should
- * be fixed in vcc.y and this file regenerated.
- */
-
-
-/* debugging utilities */
-#if __DEBUG
-#define DBG_(x) printf x
-#else
-#define DBG_(x)
-#endif
-
-/**** External Functions ****/
-
-/* assign local name to parser variables and functions so that
- we can use more than one yacc based parser.
-*/
-
-#if 0
-#define yyparse mime_parse
-#define yylex mime_lex
-#define yyerror mime_error
-#define yychar mime_char
-/* #define p_yyval p_mime_val */
-#undef yyval
-#define yyval mime_yyval
-/* #define p_yylval p_mime_lval */
-#undef yylval
-#define yylval mime_yylval
-#define yydebug mime_debug
-#define yynerrs mime_nerrs
-#define yyerrflag mime_errflag
-#define yyss mime_ss
-#define yyssp mime_ssp
-#define yyvs mime_vs
-#define yyvsp mime_vsp
-#define yylhs mime_lhs
-#define yylen mime_len
-#define yydefred mime_defred
-#define yydgoto mime_dgoto
-#define yysindex mime_sindex
-#define yyrindex mime_rindex
-#define yygindex mime_gindex
-#define yytable mime_table
-#define yycheck mime_check
-#define yyname mime_name
-#define yyrule mime_rule
-#ifdef YYPREFIX
-#undef YYPREFIX
-#endif
-#define YYPREFIX "mime_"
-#endif
-
-
-#ifndef _NO_LINE_FOLDING
-#define _SUPPORT_LINE_FOLDING 1
-#endif
-
-/* undef below if compile with MFC */
-/* #define INCLUDEMFC 1 */
-
-#if defined(WIN32) || defined(_WIN32)
-#ifdef INCLUDEMFC
-#include <afx.h>
-#endif
-#endif
-
-#include <string.h>
-#ifndef __MWERKS__
-#include <stdlib.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-//#ifdef PALMTOPCENTER
-//#include <qpe/vobject_p.h>
-//#else
-#include "vobject_p.h"
-//#endif
-
-/**** Types, Constants ****/
-
-#define YYDEBUG 0 /* 1 to compile in some debugging code */
-#define MAXTOKEN 256 /* maximum token (line) length */
-#define YYSTACKSIZE 100 // ~unref ?
-#define MAXLEVEL 10 /* max # of nested objects parseable */
- /* (includes outermost) */
-
-
-/**** Global Variables ****/
-int mime_lineNum, mime_numErrors; /* yyerror() can use these */
-static VObject* vObjList;
-static VObject *curProp;
-static VObject *curObj;
-static VObject* ObjStack[MAXLEVEL];
-static int ObjStackTop;
-
-
-/* A helpful utility for the rest of the app. */
-#if __CPLUSPLUS__
-extern "C" {
-#endif
-
- extern void yyerror(char *s);
-
-#if __CPLUSPLUS__
- };
-#endif
-
-int yyparse();
-
-enum LexMode {
- L_NORMAL,
- L_VCARD,
- L_VCAL,
- L_VEVENT,
- L_VTODO,
- L_VALUES,
- L_BASE64,
- L_QUOTED_PRINTABLE
- };
-
-/**** Private Forward Declarations ****/
-static int pushVObject(const char *prop);
-static VObject* popVObject();
-static void lexPopMode(int top);
-static int lexWithinMode(enum LexMode mode);
-static void lexPushMode(enum LexMode mode);
-static void enterProps(const char *s);
-static void enterAttr(const char *s1, const char *s2);
-static void enterValues(const char *value);
-#define mime_error yyerror
-void mime_error(char *s);
-void mime_error_(char *s);
-
-%}
-
-/***************************************************************************/
-/*** The grammar ****/
-/***************************************************************************/
-
-%union {
- char *str;
- VObject *vobj;
- }
-
-%token
- EQ COLON DOT SEMICOLON SPACE HTAB LINESEP NEWLINE
- BEGIN_VCARD END_VCARD BEGIN_VCAL END_VCAL
- BEGIN_VEVENT END_VEVENT BEGIN_VTODO END_VTODO
- ID
-
-/*
- * NEWLINE is the token that would occur outside a vCard,
- * while LINESEP is the token that would occur inside a vCard.
- */
-
-%token <str>
- STRING ID
-
-%type <str> name value
-
-%type <vobj> vcard vcal vobject
-
-%start mime
-
-%%
-
-
-mime: vobjects
- ;
-
-vobjects: vobjects vobject
- { addList(&vObjList, $2); curObj = 0; }
- | vobject
- { addList(&vObjList, $1); curObj = 0; }
- ;
-
-vobject: vcard
- | vcal
- ;
-
-vcard:
- BEGIN_VCARD
- {
- lexPushMode(L_VCARD);
- if (!pushVObject(VCCardProp)) YYERROR;
- }
- items END_VCARD
- {
- lexPopMode(0);
- $$ = popVObject();
- }
- | BEGIN_VCARD
- {
- lexPushMode(L_VCARD);
- if (!pushVObject(VCCardProp)) YYERROR;
- }
- END_VCARD
- {
- lexPopMode(0);
- $$ = popVObject();
- }
- ;
-
-items: items item
- | item
- ;
-
-item: prop COLON
- {
- lexPushMode(L_VALUES);
- }
- values LINESEP
- {
- if (lexWithinMode(L_BASE64) || lexWithinMode(L_QUOTED_PRINTABLE))
- lexPopMode(0);
- lexPopMode(0);
- }
- | error
- ;
-
-prop: name
- {
- enterProps($1);
- }
- attr_params
- | name
- {
- enterProps($1);
- }
- ;
-
-attr_params: attr_params attr_param
- | attr_param
- ;
-
-attr_param: SEMICOLON attr
- ;
-
-attr: name
- {
- enterAttr($1,0);
- }
- | name EQ name
- {
- enterAttr($1,$3);
-
- }
- ;
-
-name: ID
- ;
-
-values: value SEMICOLON { enterValues($1); } values
- | value
- { enterValues($1); }
- ;
-
-value: STRING
- |
- { $$ = 0; }
- ;
-
-vcal:
- BEGIN_VCAL
- { if (!pushVObject(VCCalProp)) YYERROR; }
- calitems
- END_VCAL
- { $$ = popVObject(); }
- | BEGIN_VCAL
- { if (!pushVObject(VCCalProp)) YYERROR; }
- END_VCAL
- { $$ = popVObject(); }
- ;
-
-calitems: calitems calitem
- | calitem
- ;
-
-calitem:
- eventitem
- | todoitem
- | items
- ;
-
-eventitem:
- BEGIN_VEVENT
- {
- lexPushMode(L_VEVENT);
- if (!pushVObject(VCEventProp)) YYERROR;
- }
- items
- END_VEVENT
- {
- lexPopMode(0);
- popVObject();
- }
- | BEGIN_VEVENT
- {
- lexPushMode(L_VEVENT);
- if (!pushVObject(VCEventProp)) YYERROR;
- }
- END_VEVENT
- {
- lexPopMode(0);
- popVObject();
- }
- ;
-
-todoitem:
- BEGIN_VTODO
- {
- lexPushMode(L_VTODO);
- if (!pushVObject(VCTodoProp)) YYERROR;
- }
- items
- END_VTODO
- {
- lexPopMode(0);
- popVObject();
- }
- | BEGIN_VTODO
- {
- lexPushMode(L_VTODO);
- if (!pushVObject(VCTodoProp)) YYERROR;
- }
- END_VTODO
- {
- lexPopMode(0);
- popVObject();
- }
- ;
-
-%%
-/*------------------------------------*/
-static int pushVObject(const char *prop)
- {
- VObject *newObj;
- if (ObjStackTop == MAXLEVEL)
- return FALSE;
-
- ObjStack[++ObjStackTop] = curObj;
-
- if (curObj) {
- newObj = addProp(curObj,prop);
- curObj = newObj;
- }
- else
- curObj = newVObject(prop);
-
- return TRUE;
- }
-
-
-/*---------------------------------------*/
-/* This pops the recently built vCard off the stack and returns it. */
-static VObject* popVObject()
- {
- VObject *oldObj;
- if (ObjStackTop < 0) {
- yyerror("pop on empty Object Stack\n");
- return 0;
- }
- oldObj = curObj;
- curObj = ObjStack[ObjStackTop--];
-
- return oldObj;
- }
-
-
-static void enterValues(const char *value)
- {
- if (fieldedProp && *fieldedProp) {
- if (value) {
- addPropValue(curProp,*fieldedProp,value);
- }
- /* else this field is empty, advance to next field */
- fieldedProp++;
- }
- else {
- if (value) {
- setVObjectStringZValue_(curProp,strdup( value ));
- }
- }
- deleteStr(value);
- }
-
-static void enterProps(const char *s)
- {
- curProp = addGroup(curObj,s);
- deleteStr(s);
- }
-
-static void enterAttr(const char *s1, const char *s2)
- {
- const char *p1, *p2=0;
- p1 = lookupProp_(s1);
- if (s2) {
- VObject *a;
- p2 = lookupProp_(s2);
- a = addProp(curProp,p1);
- setVObjectStringZValue(a,p2);
- }
- else
- addProp(curProp,p1);
- if (qstricmp(p1,VCBase64Prop) == 0 || (s2 && qstricmp(p2,VCBase64Prop)==0))
- lexPushMode(L_BASE64);
- else if (qstricmp(p1,VCQuotedPrintableProp) == 0
- || (s2 && qstricmp(p2,VCQuotedPrintableProp)==0))
- lexPushMode(L_QUOTED_PRINTABLE);
- deleteStr(s1); deleteStr(s2);
- }
-
-
-#define MAX_LEX_LOOKAHEAD_0 32
-#define MAX_LEX_LOOKAHEAD 64
-#define MAX_LEX_MODE_STACK_SIZE 10
-#define LEXMODE() (lexBuf.lexModeStack[lexBuf.lexModeStackTop])
-
-struct LexBuf {
- /* input */
-#ifdef INCLUDEMFC
- CFile *inputFile;
-#else
- FILE *inputFile;
-#endif
- char *inputString;
- unsigned long curPos;
- unsigned long inputLen;
- /* lookahead buffer */
- /* -- lookahead buffer is short instead of char so that EOF
- / can be represented correctly.
- */
- unsigned long len;
- short buf[MAX_LEX_LOOKAHEAD];
- unsigned long getPtr;
- /* context stack */
- unsigned long lexModeStackTop;
- enum LexMode lexModeStack[MAX_LEX_MODE_STACK_SIZE];
- /* token buffer */
- unsigned long maxToken;
- char *strs;
- unsigned long strsLen;
- } lexBuf;
-
-static void lexPushMode(enum LexMode mode)
- {
- if (lexBuf.lexModeStackTop == (MAX_LEX_MODE_STACK_SIZE-1))
- yyerror("lexical context stack overflow");
- else {
- lexBuf.lexModeStack[++lexBuf.lexModeStackTop] = mode;
- }
- }
-
-static void lexPopMode(int top)
- {
- /* special case of pop for ease of error recovery -- this
- version will never underflow */
- if (top)
- lexBuf.lexModeStackTop = 0;
- else
- if (lexBuf.lexModeStackTop > 0) lexBuf.lexModeStackTop--;
- }
-
-static int lexWithinMode(enum LexMode mode) {
- unsigned long i;
- for (i=0;i<lexBuf.lexModeStackTop;i++)
- if (mode == lexBuf.lexModeStack[i]) return 1;
- return 0;
- }
-
-static int lexGetc_()
- {
- /* get next char from input, no buffering. */
- if (lexBuf.curPos == lexBuf.inputLen)
- return EOF;
- else if (lexBuf.inputString)
- return *(lexBuf.inputString + lexBuf.curPos++);
- else {
-#ifdef INCLUDEMFC
- char result;
- return lexBuf.inputFile->Read(&result, 1) == 1 ? result : EOF;
-#else
- return fgetc(lexBuf.inputFile);
-#endif
- }
- }
-
-static int lexGeta()
- {
- ++lexBuf.len;
- return (lexBuf.buf[lexBuf.getPtr] = lexGetc_());
- }
-
-static int lexGeta_(int i)
- {
- ++lexBuf.len;
- return (lexBuf.buf[(lexBuf.getPtr+i)%MAX_LEX_LOOKAHEAD] = lexGetc_());
- }
-
-static void lexSkipLookahead() {
- if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
- /* don't skip EOF. */
- lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
- lexBuf.len--;
- }
- }
-
-static int lexLookahead() {
- int c = (lexBuf.len)?
- lexBuf.buf[lexBuf.getPtr]:
- lexGeta();
- /* do the \r\n -> \n or \r -> \n translation here */
- if (c == '\r') {
- int a = (lexBuf.len>1)?
- lexBuf.buf[(lexBuf.getPtr+1)%MAX_LEX_LOOKAHEAD]:
- lexGeta_(1);
- if (a == '\n') {
- lexSkipLookahead();
- }
- lexBuf.buf[lexBuf.getPtr] = c = '\n';
- }
- else if (c == '\n') {
- int a = (lexBuf.len>1)?
- lexBuf.buf[lexBuf.getPtr+1]:
- lexGeta_(1);
- if (a == '\r') {
- lexSkipLookahead();
- }
- lexBuf.buf[lexBuf.getPtr] = '\n';
- }
- return c;
- }
-
-static int lexGetc() {
- int c = lexLookahead();
- if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
- /* EOF will remain in lookahead buffer */
- lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
- lexBuf.len--;
- }
- return c;
- }
-
-static void lexSkipLookaheadWord() {
- if (lexBuf.strsLen <= lexBuf.len) {
- lexBuf.len -= lexBuf.strsLen;
- lexBuf.getPtr = (lexBuf.getPtr + lexBuf.strsLen) % MAX_LEX_LOOKAHEAD;
- }
- }
-
-static void lexClearToken()
- {
- lexBuf.strsLen = 0;
- }
-
-static void lexAppendc(int c)
- {
- lexBuf.strs[lexBuf.strsLen] = c;
- /* append up to zero termination */
- if (c == 0) return;
- lexBuf.strsLen++;
- if (lexBuf.strsLen > lexBuf.maxToken) {
- /* double the token string size */
- lexBuf.maxToken <<= 1;
- lexBuf.strs = (char*) realloc(lexBuf.strs,(size_t)lexBuf.maxToken);
- }
- }
-
-static char* lexStr() {
- return dupStr(lexBuf.strs,(size_t)lexBuf.strsLen+1);
- }
-
-static void lexSkipWhite() {
- int c = lexLookahead();
- while (c == ' ' || c == '\t') {
- lexSkipLookahead();
- c = lexLookahead();
- }
- }
-
-static char* lexGetWord() {
- int c;
- lexSkipWhite();
- lexClearToken();
- c = lexLookahead();
- while (c != EOF && !strchr("\t\n ;:=",c)) {
- lexAppendc(c);
- lexSkipLookahead();
- c = lexLookahead();
- }
- lexAppendc(0);
- return lexStr();
- }
-
-static void lexPushLookaheadc(int c) {
- int putptr;
- /* can't putback EOF, because it never leaves lookahead buffer */
- if (c == EOF) return;
- putptr = (int)lexBuf.getPtr - 1;
- if (putptr < 0) putptr += MAX_LEX_LOOKAHEAD;
- lexBuf.getPtr = putptr;
- lexBuf.buf[putptr] = c;
- lexBuf.len += 1;
- }
-
-static char* lexLookaheadWord() {
- /* this function can lookahead word with max size of MAX_LEX_LOOKAHEAD_0
- / and thing bigger than that will stop the lookahead and return 0;
- / leading white spaces are not recoverable.
- */
- int c;
- int len = 0;
- int curgetptr = 0;
- lexSkipWhite();
- lexClearToken();
- curgetptr = (int)lexBuf.getPtr; // remember!
- while (len < (MAX_LEX_LOOKAHEAD_0)) {
- c = lexGetc();
- len++;
- if (c == EOF || strchr("\t\n ;:=", c)) {
- lexAppendc(0);
- /* restore lookahead buf. */
- lexBuf.len += len;
- lexBuf.getPtr = curgetptr;
- return lexStr();
- }
- else
- lexAppendc(c);
- }
- lexBuf.len += len; /* char that has been moved to lookahead buffer */
- lexBuf.getPtr = curgetptr;
- return 0;
- }
-
-#ifdef _SUPPORT_LINE_FOLDING
-static void handleMoreRFC822LineBreak(int c) {
- /* suport RFC 822 line break in cases like
- * ADR: foo;
- * morefoo;
- * more foo;
- */
- if (c == ';') {
- int a;
- lexSkipLookahead();
- /* skip white spaces */
- a = lexLookahead();
- while (a == ' ' || a == '\t') {
- lexSkipLookahead();
- a = lexLookahead();
- }
- if (a == '\n') {
- lexSkipLookahead();
- a = lexLookahead();
- if (a == ' ' || a == '\t') {
- /* continuation, throw away all the \n and spaces read so
- * far
- */
- lexSkipWhite();
- lexPushLookaheadc(';');
- }
- else {
- lexPushLookaheadc('\n');
- lexPushLookaheadc(';');
- }
- }
- else {
- lexPushLookaheadc(';');
- }
- }
- }
-
-static char* lexGet1Value() {
- int c;
- lexSkipWhite();
- c = lexLookahead();
- lexClearToken();
- while (c != EOF && (c != ';' || !fieldedProp)) {
- if (c == '\\' ) {
- int a;
- lexSkipLookahead();
- a = lexLookahead();
- if ( a == ';' ) {
- lexAppendc( ';' );
- lexSkipLookahead();
- } else if ( a == '\n' ) {
- lexAppendc( '\n' );
- lexSkipLookahead();
- } else if ( a == '\\' ) {
- lexAppendc( '\\' );
- lexSkipLookahead();
- } else {
- lexAppendc('\\');
- }
- } else if (c == '\n') {
- int a;
- lexSkipLookahead();
- a = lexLookahead();
- if (a == ' ' || a == '\t') {
- lexAppendc(' ');
- lexSkipLookahead();
- }
- else {
- lexPushLookaheadc('\n');
- break;
- }
- }
- else {
- lexAppendc(c);
- lexSkipLookahead();
- }
- c = lexLookahead();
- }
- lexAppendc(0);
- handleMoreRFC822LineBreak(c);
- return c==EOF?0:lexStr();
- }
-#endif
-
-static int match_begin_name(int end) {
- char *n = lexLookaheadWord();
- int token = ID;
- if (n) {
- if (!qstricmp(n,"vcard")) token = end?END_VCARD:BEGIN_VCARD;
- else if (!qstricmp(n,"vcalendar")) token = end?END_VCAL:BEGIN_VCAL;
- else if (!qstricmp(n,"vevent")) token = end?END_VEVENT:BEGIN_VEVENT;
- else if (!qstricmp(n,"vtodo")) token = end?END_VTODO:BEGIN_VTODO;
- deleteStr(n);
- return token;
- }
- return 0;
- }
-
-
-#ifdef INCLUDEMFC
-void initLex(const char *inputstring, unsigned long inputlen, CFile *inputfile)
-#else
-void initLex(const char *inputstring, unsigned long inputlen, FILE *inputfile)
-#endif
- {
- // initialize lex mode stack
- lexBuf.lexModeStack[lexBuf.lexModeStackTop=0] = L_NORMAL;
-
- // iniatialize lex buffer.
- lexBuf.inputString = (char*) inputstring;
- lexBuf.inputLen = inputlen;
- lexBuf.curPos = 0;
- lexBuf.inputFile = inputfile;
-
- lexBuf.len = 0;
- lexBuf.getPtr = 0;
-
- lexBuf.maxToken = MAXTOKEN;
- lexBuf.strs = (char*)malloc(MAXTOKEN);
- lexBuf.strsLen = 0;
-
- }
-
-static void finiLex() {
- free(lexBuf.strs);
- }
-
-
-/*-----------------------------------*/
-/* This parses and converts the base64 format for binary encoding into
- * a decoded buffer (allocated with new). See RFC 1521.
- */
-static int lexGetDataFromBase64()
- {
- unsigned long bytesLen = 0, bytesMax = 0;
- int quadIx = 0, pad = 0;
- unsigned long trip = 0;
- unsigned char b;
- int c;
- unsigned char *bytes = NULL;
- unsigned char *oldBytes = NULL;
-
- DBG_(("db: lexGetDataFromBase64\n"));
- while (1) {
- c = lexGetc();
- lexSkipWhite();
- if (c == '\n') {
- ++mime_lineNum;
- if (lexLookahead() == '\n') {
- /* a '\n' character by itself means end of data */
- break;
- }
- else continue; /* ignore '\n' */
- }
- else {
- if ((c >= 'A') && (c <= 'Z'))
- b = (unsigned char)(c - 'A');
- else if ((c >= 'a') && (c <= 'z'))
- b = (unsigned char)(c - 'a') + 26;
- else if ((c >= '0') && (c <= '9'))
- b = (unsigned char)(c - '0') + 52;
- else if (c == '+')
- b = 62;
- else if (c == '/')
- b = 63;
- else if (c == '=') {
- b = 0;
- pad++;
- } else { /* error condition */
- if (bytes) free(bytes);
- else if (oldBytes) free(oldBytes);
- // error recovery: skip until 2 adjacent newlines.
- DBG_(("db: invalid character 0x%x '%c'\n", c,c));
- if (c != EOF) {
- c = lexGetc();
- while (c != EOF) {
- if (c == '\n') {
- lexSkipWhite();
- if(lexLookahead() == '\n') {
- ++mime_lineNum;
- break;
- }
- }
- c = lexGetc();
- }
- }
- return c != EOF;
- }
- trip = (trip << 6) | b;
- if (++quadIx == 4) {
- unsigned char outBytes[3];
- int numOut;
- int i;
- for (i = 0; i < 3; i++) {
- outBytes[2-i] = (unsigned char)(trip & 0xFF);
- trip >>= 8;
- }
- numOut = 3 - pad;
- if (bytesLen + numOut > bytesMax) {
- if (!bytes) {
- bytesMax = 1024;
- bytes = (unsigned char*)malloc((size_t)bytesMax);
- }
- else {
- bytesMax <<= 2;
- oldBytes = bytes;
- bytes = (unsigned char*)realloc(bytes,(size_t)bytesMax);
- }
- if (bytes == 0) {
- mime_error("out of memory while processing BASE64 data\n");
- }
- }
- if (bytes) {
- memcpy(bytes + bytesLen, outBytes, numOut);
- bytesLen += numOut;
- }
- trip = 0;
- quadIx = 0;
- }
- }
- } /* while */
- DBG_(("db: bytesLen = %d\n", bytesLen));
- /* kludge: all this won't be necessary if we have tree form
- representation */
- if (bytes) {
- setValueWithSize(curProp,bytes,(unsigned int)bytesLen);
- free(bytes);
- }
- else if (oldBytes) {
- setValueWithSize(curProp,oldBytes,(unsigned int)bytesLen);
- free(oldBytes);
- }
- return bytesLen;
- }
-
-static int match_begin_end_name(int end) {
- int token;
- lexSkipWhite();
- if (lexLookahead() != ':') return ID;
- lexSkipLookahead();
- lexSkipWhite();
- token = match_begin_name(end);
- if (token == ID) {
- lexPushLookaheadc(':');
- DBG_(("db: ID '%s'\n", yylval.str));
- return ID;
- }
- else if (token != 0) {
- lexSkipLookaheadWord();
- deleteStr(yylval.str);
- DBG_(("db: begin/end %d\n", token));
- return token;
- }
- return 0;
- }
-
-static char* lexGetQuotedPrintable()
-{
- int c;
- lexSkipWhite();
- c = lexLookahead();
- lexClearToken();
-
- while (c != EOF && (c != ';' || !fieldedProp)) {
- if (c == '\n') {
- // break, leave '\n' on remaining chars.
- break;
- } else if (c == '=') {
- int cur = 0;
- int next;
-
- lexSkipLookahead(); // skip '='
- next = lexLookahead();
-
- if (next == '\n') {
- // skip and only skip the \n
- lexSkipLookahead();
- c = lexLookahead();
- ++mime_lineNum; // aid in error reporting
- continue;
- } else if (next >= '0' && next <= '9') {
- cur = next - '0';
- } else if (next >= 'A' && next <= 'F') {
- cur = next - 'A' + 10;
- } else {
- // we have been sent buggy stuff. doesn't matter
- // what we do so long as we keep going.
- // should probably spit an error here
- lexSkipLookahead();
- c = lexLookahead();
- continue;
- }
-
- lexSkipLookahead(); // skip A-Z0-9
- next = lexLookahead();
-
- cur = cur * 16;
- // this time really just expecting 0-9A-F
- if (next >= '0' && next <= '9') {
- cur += next - '0';
- } else if (next >= 'A' && next <= 'F') {
- cur += next - 'A' + 10;
- } else {
- // we have been sent buggy stuff. doesn't matter
- // what we do so long as we keep going.
- // should probably spit an error here
- lexSkipLookahead();
- c = lexLookahead();
- continue;
- }
-
- // got a valid escaped =. append it.
- lexSkipLookahead(); // skip second 0-9A-F
- lexAppendc(cur);
- } else {
- lexSkipLookahead(); // skip whatever we just read.
- lexAppendc(c); // and append it.
- }
- c = lexLookahead();
- }
- lexAppendc(0);
- return c==EOF?0:lexStr();
-}
-
-static int yylex() {
-
- int lexmode = LEXMODE();
- if (lexmode == L_VALUES) {
- int c = lexGetc();
- if (c == ';' && fieldedProp) {
- DBG_(("db: SEMICOLON\n"));
- lexPushLookaheadc(c);
- handleMoreRFC822LineBreak(c);
- lexSkipLookahead();
- return SEMICOLON;
- }
- else if (strchr("\n",c)) {
- ++mime_lineNum;
- /* consume all line separator(s) adjacent to each other */
- c = lexLookahead();
- while (strchr("\n",c)) {
- lexSkipLookahead();
- c = lexLookahead();
- ++mime_lineNum;
- }
- DBG_(("db: LINESEP\n"));
- return LINESEP;
- }
- else {
- char *p = 0;
- lexPushLookaheadc(c);
- if (lexWithinMode(L_BASE64)) {
- /* get each char and convert to bin on the fly... */
- yylval.str = NULL;
- return lexGetDataFromBase64() ? STRING : 0;
- }
- else if (lexWithinMode(L_QUOTED_PRINTABLE)) {
- p = lexGetQuotedPrintable();
- }
- else {
-#ifdef _SUPPORT_LINE_FOLDING
- p = lexGet1Value();
-#else
- p = lexGetStrUntil(";\n");
-#endif
- }
- if (p) {
- DBG_(("db: STRING: '%s'\n", p));
- yylval.str = p;
- return STRING;
- }
- else return 0;
- }
- }
- else {
- /* normal mode */
- while (1) {
- int c = lexGetc();
- switch(c) {
- case ':': {
- /* consume all line separator(s) adjacent to each other */
- /* ignoring linesep immediately after colon. */
- /* I don't see this in the spec, and it breaks null values -- WA
- c = lexLookahead();
- while (strchr("\n",c)) {
- lexSkipLookahead();
- c = lexLookahead();
- ++mime_lineNum;
- }
- */
- DBG_(("db: COLON\n"));
- return COLON;
- }
- case ';':
- DBG_(("db: SEMICOLON\n"));
- return SEMICOLON;
- case '=':
- DBG_(("db: EQ\n"));
- return EQ;
- /* ignore whitespace in this mode */
- case '\t':
- case ' ': continue;
- case '\n': {
- ++mime_lineNum;
- continue;
- }
- case EOF: return 0;
- break;
- default: {
- lexPushLookaheadc(c);
- if (isalnum(c)) {
- char *t = lexGetWord();
- yylval.str = t;
- if (!qstricmp(t, "begin")) {
- return match_begin_end_name(0);
- }
- else if (!qstricmp(t,"end")) {
- return match_begin_end_name(1);
- }
- else {
- DBG_(("db: ID '%s'\n", t));
- return ID;
- }
- }
- else {
- /* unknow token */
- return 0;
- }
- break;
- }
- }
- }
- }
- return 0;
- }
-
-
-/***************************************************************************/
-/*** Public Functions ****/
-/***************************************************************************/
-
-static VObject* Parse_MIMEHelper()
- {
- ObjStackTop = -1;
- mime_numErrors = 0;
- mime_lineNum = 1;
- vObjList = 0;
- curObj = 0;
-
- if (yyparse() != 0)
- return 0;
-
- finiLex();
- return vObjList;
- }
-
-/*--------------------------------------------*/
-DLLEXPORT(VObject*) Parse_MIME(const char *input, unsigned long len)
- {
- initLex(input, len, 0);
- return Parse_MIMEHelper();
- }
-
-
-#if INCLUDEMFC
-
-DLLEXPORT(VObject*) Parse_MIME_FromFile(CFile *file)
- {
- unsigned long startPos;
- VObject *result;
-
- initLex(0,-1,file);
- startPos = file->GetPosition();
- if (!(result = Parse_MIMEHelper()))
- file->Seek(startPos, CFile::begin);
- return result;
- }
-
-#else
-
-VObject* Parse_MIME_FromFile(FILE *file)
- {
- VObject *result;
- long startPos;
-
- initLex(0,(unsigned long)-1,file);
- startPos = ftell(file);
- if (!(result = Parse_MIMEHelper())) {
- fseek(file,startPos,SEEK_SET);
- }
- return result;
- }
-
-DLLEXPORT(VObject*) Parse_MIME_FromFileName(char *fname)
- {
- FILE *fp = fopen(fname,"r");
- if (fp) {
- VObject* o = Parse_MIME_FromFile(fp);
- fclose(fp);
- return o;
- }
- else {
- char msg[80];
- sprintf(msg, "can't open file '%s' for reading\n", fname);
- mime_error_(msg);
- return 0;
- }
- }
-
-#endif
-
-/*-------------------------------------*/
-
-static MimeErrorHandler mimeErrorHandler;
-
-DLLEXPORT(void) registerMimeErrorHandler(MimeErrorHandler me)
- {
- mimeErrorHandler = me;
- }
-
-void mime_error(char *s)
- {
- char msg[256];
- if (mimeErrorHandler) {
- sprintf(msg,"%s at line %d", s, mime_lineNum);
- mimeErrorHandler(msg);
- }
- }
-
-void mime_error_(char *s)
- {
- if (mimeErrorHandler) {
- mimeErrorHandler(s);
- }
- }
-
+%{
+
+/***************************************************************************
+(C) Copyright 1996 Apple Computer, Inc., AT&T Corp., International
+Business Machines Corporation and Siemens Rolm Communications Inc.
+
+For purposes of this license notice, the term Licensors shall mean,
+collectively, Apple Computer, Inc., AT&T Corp., International
+Business Machines Corporation and Siemens Rolm Communications Inc.
+The term Licensor shall mean any of the Licensors.
+
+Subject to acceptance of the following conditions, permission is hereby
+granted by Licensors without the need for written agreement and without
+license or royalty fees, to use, copy, modify and distribute this
+software for any purpose.
+
+The above copyright notice and the following four paragraphs must be
+reproduced in all copies of this software and any software including
+this software.
+
+THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS AND NO LICENSOR SHALL HAVE
+ANY OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR
+MODIFICATIONS.
+
+IN NO EVENT SHALL ANY LICENSOR BE LIABLE TO ANY PARTY FOR DIRECT,
+INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT
+OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+
+EACH LICENSOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF NONINFRINGEMENT OR THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.
+
+The software is provided with RESTRICTED RIGHTS. Use, duplication, or
+disclosure by the government are subject to restrictions set forth in
+DFARS 252.227-7013 or 48 CFR 52.227-19, as applicable.
+
+***************************************************************************/
+
+/*
+ * src: vcc.c
+ * doc: Parser for vCard and vCalendar. Note that this code is
+ * generated by a yacc parser generator. Generally it should not
+ * be edited by hand. The real source is vcc.y. The #line directives
+ * can be commented out here to make it easier to trace through
+ * in a debugger. However, if a bug is found it should
+ * be fixed in vcc.y and this file regenerated.
+ */
+
+
+/* debugging utilities */
+#if __DEBUG
+#define DBG_(x) printf x
+#else
+#define DBG_(x)
+#endif
+
+/**** External Functions ****/
+
+/* assign local name to parser variables and functions so that
+ we can use more than one yacc based parser.
+*/
+
+#if 0
+#define yyparse mime_parse
+#define yylex mime_lex
+#define yyerror mime_error
+#define yychar mime_char
+/* #define p_yyval p_mime_val */
+#undef yyval
+#define yyval mime_yyval
+/* #define p_yylval p_mime_lval */
+#undef yylval
+#define yylval mime_yylval
+#define yydebug mime_debug
+#define yynerrs mime_nerrs
+#define yyerrflag mime_errflag
+#define yyss mime_ss
+#define yyssp mime_ssp
+#define yyvs mime_vs
+#define yyvsp mime_vsp
+#define yylhs mime_lhs
+#define yylen mime_len
+#define yydefred mime_defred
+#define yydgoto mime_dgoto
+#define yysindex mime_sindex
+#define yyrindex mime_rindex
+#define yygindex mime_gindex
+#define yytable mime_table
+#define yycheck mime_check
+#define yyname mime_name
+#define yyrule mime_rule
+#ifdef YYPREFIX
+#undef YYPREFIX
+#endif
+#define YYPREFIX "mime_"
+#endif
+
+
+#ifndef _NO_LINE_FOLDING
+#define _SUPPORT_LINE_FOLDING 1
+#endif
+
+/* undef below if compile with MFC */
+/* #define INCLUDEMFC 1 */
+
+#if defined(WIN32) || defined(_WIN32)
+#ifdef INCLUDEMFC
+#include <afx.h>
+#endif
+#endif
+
+#include <string.h>
+#ifndef __MWERKS__
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+//#ifdef PALMTOPCENTER
+//#include <qpe/vobject_p.h>
+//#else
+#include "vobject_p.h"
+//#endif
+
+/**** Types, Constants ****/
+
+#define YYDEBUG 0 /* 1 to compile in some debugging code */
+#define MAXTOKEN 256 /* maximum token (line) length */
+#define YYSTACKSIZE 100 // ~unref ?
+#define MAXLEVEL 10 /* max # of nested objects parseable */
+ /* (includes outermost) */
+
+
+/**** Global Variables ****/
+int mime_lineNum, mime_numErrors; /* yyerror() can use these */
+static VObject* vObjList;
+static VObject *curProp;
+static VObject *curObj;
+static VObject* ObjStack[MAXLEVEL];
+static int ObjStackTop;
+
+
+/* A helpful utility for the rest of the app. */
+#if __CPLUSPLUS__
+extern "C" {
+#endif
+
+ extern void yyerror(char *s);
+
+#if __CPLUSPLUS__
+ };
+#endif
+
+int yyparse();
+
+enum LexMode {
+ L_NORMAL,
+ L_VCARD,
+ L_VCAL,
+ L_VEVENT,
+ L_VTODO,
+ L_VALUES,
+ L_BASE64,
+ L_QUOTED_PRINTABLE
+ };
+
+/**** Private Forward Declarations ****/
+static int pushVObject(const char *prop);
+static VObject* popVObject();
+static void lexPopMode(int top);
+static int lexWithinMode(enum LexMode mode);
+static void lexPushMode(enum LexMode mode);
+static void enterProps(const char *s);
+static void enterAttr(const char *s1, const char *s2);
+static void enterValues(const char *value);
+#define mime_error yyerror
+void mime_error(char *s);
+void mime_error_(char *s);
+
+%}
+
+/***************************************************************************/
+/*** The grammar ****/
+/***************************************************************************/
+
+%union {
+ char *str;
+ VObject *vobj;
+ }
+
+%token
+ EQ COLON DOT SEMICOLON SPACE HTAB LINESEP NEWLINE
+ BEGIN_VCARD END_VCARD BEGIN_VCAL END_VCAL
+ BEGIN_VEVENT END_VEVENT BEGIN_VTODO END_VTODO
+ ID
+
+/*
+ * NEWLINE is the token that would occur outside a vCard,
+ * while LINESEP is the token that would occur inside a vCard.
+ */
+
+%token <str>
+ STRING ID
+
+%type <str> name value
+
+%type <vobj> vcard vcal vobject
+
+%start mime
+
+%%
+
+
+mime: vobjects
+ ;
+
+vobjects: vobjects vobject
+ { addList(&vObjList, $2); curObj = 0; }
+ | vobject
+ { addList(&vObjList, $1); curObj = 0; }
+ ;
+
+vobject: vcard
+ | vcal
+ ;
+
+vcard:
+ BEGIN_VCARD
+ {
+ lexPushMode(L_VCARD);
+ if (!pushVObject(VCCardProp)) YYERROR;
+ }
+ items END_VCARD
+ {
+ lexPopMode(0);
+ $$ = popVObject();
+ }
+ | BEGIN_VCARD
+ {
+ lexPushMode(L_VCARD);
+ if (!pushVObject(VCCardProp)) YYERROR;
+ }
+ END_VCARD
+ {
+ lexPopMode(0);
+ $$ = popVObject();
+ }
+ ;
+
+items: items item
+ | item
+ ;
+
+item: prop COLON
+ {
+ lexPushMode(L_VALUES);
+ }
+ values LINESEP
+ {
+ if (lexWithinMode(L_BASE64) || lexWithinMode(L_QUOTED_PRINTABLE))
+ lexPopMode(0);
+ lexPopMode(0);
+ }
+ | error
+ ;
+
+prop: name
+ {
+ enterProps($1);
+ }
+ attr_params
+ | name
+ {
+ enterProps($1);
+ }
+ ;
+
+attr_params: attr_params attr_param
+ | attr_param
+ ;
+
+attr_param: SEMICOLON attr
+ ;
+
+attr: name
+ {
+ enterAttr($1,0);
+ }
+ | name EQ name
+ {
+ enterAttr($1,$3);
+
+ }
+ ;
+
+name: ID
+ ;
+
+values: value SEMICOLON { enterValues($1); } values
+ | value
+ { enterValues($1); }
+ ;
+
+value: STRING
+ |
+ { $$ = 0; }
+ ;
+
+vcal:
+ BEGIN_VCAL
+ { if (!pushVObject(VCCalProp)) YYERROR; }
+ calitems
+ END_VCAL
+ { $$ = popVObject(); }
+ | BEGIN_VCAL
+ { if (!pushVObject(VCCalProp)) YYERROR; }
+ END_VCAL
+ { $$ = popVObject(); }
+ ;
+
+calitems: calitems calitem
+ | calitem
+ ;
+
+calitem:
+ eventitem
+ | todoitem
+ | items
+ ;
+
+eventitem:
+ BEGIN_VEVENT
+ {
+ lexPushMode(L_VEVENT);
+ if (!pushVObject(VCEventProp)) YYERROR;
+ }
+ items
+ END_VEVENT
+ {
+ lexPopMode(0);
+ popVObject();
+ }
+ | BEGIN_VEVENT
+ {
+ lexPushMode(L_VEVENT);
+ if (!pushVObject(VCEventProp)) YYERROR;
+ }
+ END_VEVENT
+ {
+ lexPopMode(0);
+ popVObject();
+ }
+ ;
+
+todoitem:
+ BEGIN_VTODO
+ {
+ lexPushMode(L_VTODO);
+ if (!pushVObject(VCTodoProp)) YYERROR;
+ }
+ items
+ END_VTODO
+ {
+ lexPopMode(0);
+ popVObject();
+ }
+ | BEGIN_VTODO
+ {
+ lexPushMode(L_VTODO);
+ if (!pushVObject(VCTodoProp)) YYERROR;
+ }
+ END_VTODO
+ {
+ lexPopMode(0);
+ popVObject();
+ }
+ ;
+
+%%
+/*------------------------------------*/
+static int pushVObject(const char *prop)
+ {
+ VObject *newObj;
+ if (ObjStackTop == MAXLEVEL)
+ return FALSE;
+
+ ObjStack[++ObjStackTop] = curObj;
+
+ if (curObj) {
+ newObj = addProp(curObj,prop);
+ curObj = newObj;
+ }
+ else
+ curObj = newVObject(prop);
+
+ return TRUE;
+ }
+
+
+/*---------------------------------------*/
+/* This pops the recently built vCard off the stack and returns it. */
+static VObject* popVObject()
+ {
+ VObject *oldObj;
+ if (ObjStackTop < 0) {
+ yyerror("pop on empty Object Stack\n");
+ return 0;
+ }
+ oldObj = curObj;
+ curObj = ObjStack[ObjStackTop--];
+
+ return oldObj;
+ }
+
+
+static void enterValues(const char *value)
+ {
+ if (fieldedProp && *fieldedProp) {
+ if (value) {
+ addPropValue(curProp,*fieldedProp,value);
+ }
+ /* else this field is empty, advance to next field */
+ fieldedProp++;
+ }
+ else {
+ if (value) {
+ setVObjectStringZValue_(curProp,strdup( value ));
+ }
+ }
+ deleteStr(value);
+ }
+
+static void enterProps(const char *s)
+ {
+ curProp = addGroup(curObj,s);
+ deleteStr(s);
+ }
+
+static void enterAttr(const char *s1, const char *s2)
+ {
+ const char *p1, *p2=0;
+ p1 = lookupProp_(s1);
+ if (s2) {
+ VObject *a;
+ p2 = lookupProp_(s2);
+ a = addProp(curProp,p1);
+ setVObjectStringZValue(a,p2);
+ }
+ else
+ addProp(curProp,p1);
+ if (qstricmp(p1,VCBase64Prop) == 0 || (s2 && qstricmp(p2,VCBase64Prop)==0))
+ lexPushMode(L_BASE64);
+ else if (qstricmp(p1,VCQuotedPrintableProp) == 0
+ || (s2 && qstricmp(p2,VCQuotedPrintableProp)==0))
+ lexPushMode(L_QUOTED_PRINTABLE);
+ deleteStr(s1); deleteStr(s2);
+ }
+
+
+#define MAX_LEX_LOOKAHEAD_0 32
+#define MAX_LEX_LOOKAHEAD 64
+#define MAX_LEX_MODE_STACK_SIZE 10
+#define LEXMODE() (lexBuf.lexModeStack[lexBuf.lexModeStackTop])
+
+struct LexBuf {
+ /* input */
+#ifdef INCLUDEMFC
+ CFile *inputFile;
+#else
+ FILE *inputFile;
+#endif
+ char *inputString;
+ unsigned long curPos;
+ unsigned long inputLen;
+ /* lookahead buffer */
+ /* -- lookahead buffer is short instead of char so that EOF
+ / can be represented correctly.
+ */
+ unsigned long len;
+ short buf[MAX_LEX_LOOKAHEAD];
+ unsigned long getPtr;
+ /* context stack */
+ unsigned long lexModeStackTop;
+ enum LexMode lexModeStack[MAX_LEX_MODE_STACK_SIZE];
+ /* token buffer */
+ unsigned long maxToken;
+ char *strs;
+ unsigned long strsLen;
+ } lexBuf;
+
+static void lexPushMode(enum LexMode mode)
+ {
+ if (lexBuf.lexModeStackTop == (MAX_LEX_MODE_STACK_SIZE-1))
+ yyerror("lexical context stack overflow");
+ else {
+ lexBuf.lexModeStack[++lexBuf.lexModeStackTop] = mode;
+ }
+ }
+
+static void lexPopMode(int top)
+ {
+ /* special case of pop for ease of error recovery -- this
+ version will never underflow */
+ if (top)
+ lexBuf.lexModeStackTop = 0;
+ else
+ if (lexBuf.lexModeStackTop > 0) lexBuf.lexModeStackTop--;
+ }
+
+static int lexWithinMode(enum LexMode mode) {
+ unsigned long i;
+ for (i=0;i<lexBuf.lexModeStackTop;i++)
+ if (mode == lexBuf.lexModeStack[i]) return 1;
+ return 0;
+ }
+
+static int lexGetc_()
+ {
+ /* get next char from input, no buffering. */
+ if (lexBuf.curPos == lexBuf.inputLen)
+ return EOF;
+ else if (lexBuf.inputString)
+ return *(lexBuf.inputString + lexBuf.curPos++);
+ else {
+#ifdef INCLUDEMFC
+ char result;
+ return lexBuf.inputFile->Read(&result, 1) == 1 ? result : EOF;
+#else
+ return fgetc(lexBuf.inputFile);
+#endif
+ }
+ }
+
+static int lexGeta()
+ {
+ ++lexBuf.len;
+ return (lexBuf.buf[lexBuf.getPtr] = lexGetc_());
+ }
+
+static int lexGeta_(int i)
+ {
+ ++lexBuf.len;
+ return (lexBuf.buf[(lexBuf.getPtr+i)%MAX_LEX_LOOKAHEAD] = lexGetc_());
+ }
+
+static void lexSkipLookahead() {
+ if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
+ /* don't skip EOF. */
+ lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
+ lexBuf.len--;
+ }
+ }
+
+static int lexLookahead() {
+ int c = (lexBuf.len)?
+ lexBuf.buf[lexBuf.getPtr]:
+ lexGeta();
+ /* do the \r\n -> \n or \r -> \n translation here */
+ if (c == '\r') {
+ int a = (lexBuf.len>1)?
+ lexBuf.buf[(lexBuf.getPtr+1)%MAX_LEX_LOOKAHEAD]:
+ lexGeta_(1);
+ if (a == '\n') {
+ lexSkipLookahead();
+ }
+ lexBuf.buf[lexBuf.getPtr] = c = '\n';
+ }
+ else if (c == '\n') {
+ int a = (lexBuf.len>1)?
+ lexBuf.buf[lexBuf.getPtr+1]:
+ lexGeta_(1);
+ if (a == '\r') {
+ lexSkipLookahead();
+ }
+ lexBuf.buf[lexBuf.getPtr] = '\n';
+ }
+ return c;
+ }
+
+static int lexGetc() {
+ int c = lexLookahead();
+ if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
+ /* EOF will remain in lookahead buffer */
+ lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
+ lexBuf.len--;
+ }
+ return c;
+ }
+
+static void lexSkipLookaheadWord() {
+ if (lexBuf.strsLen <= lexBuf.len) {
+ lexBuf.len -= lexBuf.strsLen;
+ lexBuf.getPtr = (lexBuf.getPtr + lexBuf.strsLen) % MAX_LEX_LOOKAHEAD;
+ }
+ }
+
+static void lexClearToken()
+ {
+ lexBuf.strsLen = 0;
+ }
+
+static void lexAppendc(int c)
+ {
+ lexBuf.strs[lexBuf.strsLen] = c;
+ /* append up to zero termination */
+ if (c == 0) return;
+ lexBuf.strsLen++;
+ if (lexBuf.strsLen > lexBuf.maxToken) {
+ /* double the token string size */
+ lexBuf.maxToken <<= 1;
+ lexBuf.strs = (char*) realloc(lexBuf.strs,(size_t)lexBuf.maxToken);
+ }
+ }
+
+static char* lexStr() {
+ return dupStr(lexBuf.strs,(size_t)lexBuf.strsLen+1);
+ }
+
+static void lexSkipWhite() {
+ int c = lexLookahead();
+ while (c == ' ' || c == '\t') {
+ lexSkipLookahead();
+ c = lexLookahead();
+ }
+ }
+
+static char* lexGetWord() {
+ int c;
+ lexSkipWhite();
+ lexClearToken();
+ c = lexLookahead();
+ while (c != EOF && !strchr("\t\n ;:=",c)) {
+ lexAppendc(c);
+ lexSkipLookahead();
+ c = lexLookahead();
+ }
+ lexAppendc(0);
+ return lexStr();
+ }
+
+static void lexPushLookaheadc(int c) {
+ int putptr;
+ /* can't putback EOF, because it never leaves lookahead buffer */
+ if (c == EOF) return;
+ putptr = (int)lexBuf.getPtr - 1;
+ if (putptr < 0) putptr += MAX_LEX_LOOKAHEAD;
+ lexBuf.getPtr = putptr;
+ lexBuf.buf[putptr] = c;
+ lexBuf.len += 1;
+ }
+
+static char* lexLookaheadWord() {
+ /* this function can lookahead word with max size of MAX_LEX_LOOKAHEAD_0
+ / and thing bigger than that will stop the lookahead and return 0;
+ / leading white spaces are not recoverable.
+ */
+ int c;
+ int len = 0;
+ int curgetptr = 0;
+ lexSkipWhite();
+ lexClearToken();
+ curgetptr = (int)lexBuf.getPtr; // remember!
+ while (len < (MAX_LEX_LOOKAHEAD_0)) {
+ c = lexGetc();
+ len++;
+ if (c == EOF || strchr("\t\n ;:=", c)) {
+ lexAppendc(0);
+ /* restore lookahead buf. */
+ lexBuf.len += len;
+ lexBuf.getPtr = curgetptr;
+ return lexStr();
+ }
+ else
+ lexAppendc(c);
+ }
+ lexBuf.len += len; /* char that has been moved to lookahead buffer */
+ lexBuf.getPtr = curgetptr;
+ return 0;
+ }
+
+#ifdef _SUPPORT_LINE_FOLDING
+static void handleMoreRFC822LineBreak(int c) {
+ /* suport RFC 822 line break in cases like
+ * ADR: foo;
+ * morefoo;
+ * more foo;
+ */
+ if (c == ';') {
+ int a;
+ lexSkipLookahead();
+ /* skip white spaces */
+ a = lexLookahead();
+ while (a == ' ' || a == '\t') {
+ lexSkipLookahead();
+ a = lexLookahead();
+ }
+ if (a == '\n') {
+ lexSkipLookahead();
+ a = lexLookahead();
+ if (a == ' ' || a == '\t') {
+ /* continuation, throw away all the \n and spaces read so
+ * far
+ */
+ lexSkipWhite();
+ lexPushLookaheadc(';');
+ }
+ else {
+ lexPushLookaheadc('\n');
+ lexPushLookaheadc(';');
+ }
+ }
+ else {
+ lexPushLookaheadc(';');
+ }
+ }
+ }
+
+static char* lexGet1Value() {
+ int c;
+ lexSkipWhite();
+ c = lexLookahead();
+ lexClearToken();
+ while (c != EOF && (c != ';' || !fieldedProp)) {
+ if (c == '\\' ) {
+ int a;
+ lexSkipLookahead();
+ a = lexLookahead();
+ if ( a == ';' ) {
+ lexAppendc( ';' );
+ lexSkipLookahead();
+ } else if ( a == '\n' ) {
+ lexAppendc( '\n' );
+ lexSkipLookahead();
+ } else if ( a == '\\' ) {
+ lexAppendc( '\\' );
+ lexSkipLookahead();
+ } else {
+ lexAppendc('\\');
+ }
+ } else if (c == '\n') {
+ int a;
+ lexSkipLookahead();
+ a = lexLookahead();
+ if (a == ' ' || a == '\t') {
+ lexAppendc(' ');
+ lexSkipLookahead();
+ }
+ else {
+ lexPushLookaheadc('\n');
+ break;
+ }
+ }
+ else {
+ lexAppendc(c);
+ lexSkipLookahead();
+ }
+ c = lexLookahead();
+ }
+ lexAppendc(0);
+ handleMoreRFC822LineBreak(c);
+ return c==EOF?0:lexStr();
+ }
+#endif
+
+static int match_begin_name(int end) {
+ char *n = lexLookaheadWord();
+ int token = ID;
+ if (n) {
+ if (!qstricmp(n,"vcard")) token = end?END_VCARD:BEGIN_VCARD;
+ else if (!qstricmp(n,"vcalendar")) token = end?END_VCAL:BEGIN_VCAL;
+ else if (!qstricmp(n,"vevent")) token = end?END_VEVENT:BEGIN_VEVENT;
+ else if (!qstricmp(n,"vtodo")) token = end?END_VTODO:BEGIN_VTODO;
+ deleteStr(n);
+ return token;
+ }
+ return 0;
+ }
+
+
+#ifdef INCLUDEMFC
+void initLex(const char *inputstring, unsigned long inputlen, CFile *inputfile)
+#else
+void initLex(const char *inputstring, unsigned long inputlen, FILE *inputfile)
+#endif
+ {
+ // initialize lex mode stack
+ lexBuf.lexModeStack[lexBuf.lexModeStackTop=0] = L_NORMAL;
+
+ // iniatialize lex buffer.
+ lexBuf.inputString = (char*) inputstring;
+ lexBuf.inputLen = inputlen;
+ lexBuf.curPos = 0;
+ lexBuf.inputFile = inputfile;
+
+ lexBuf.len = 0;
+ lexBuf.getPtr = 0;
+
+ lexBuf.maxToken = MAXTOKEN;
+ lexBuf.strs = (char*)malloc(MAXTOKEN);
+ lexBuf.strsLen = 0;
+
+ }
+
+static void finiLex() {
+ free(lexBuf.strs);
+ }
+
+
+/*-----------------------------------*/
+/* This parses and converts the base64 format for binary encoding into
+ * a decoded buffer (allocated with new). See RFC 1521.
+ */
+static int lexGetDataFromBase64()
+ {
+ unsigned long bytesLen = 0, bytesMax = 0;
+ int quadIx = 0, pad = 0;
+ unsigned long trip = 0;
+ unsigned char b;
+ int c;
+ unsigned char *bytes = NULL;
+ unsigned char *oldBytes = NULL;
+
+ DBG_(("db: lexGetDataFromBase64\n"));
+ while (1) {
+ c = lexGetc();
+ lexSkipWhite();
+ if (c == '\n') {
+ ++mime_lineNum;
+ if (lexLookahead() == '\n') {
+ /* a '\n' character by itself means end of data */
+ break;
+ }
+ else continue; /* ignore '\n' */
+ }
+ else {
+ if ((c >= 'A') && (c <= 'Z'))
+ b = (unsigned char)(c - 'A');
+ else if ((c >= 'a') && (c <= 'z'))
+ b = (unsigned char)(c - 'a') + 26;
+ else if ((c >= '0') && (c <= '9'))
+ b = (unsigned char)(c - '0') + 52;
+ else if (c == '+')
+ b = 62;
+ else if (c == '/')
+ b = 63;
+ else if (c == '=') {
+ b = 0;
+ pad++;
+ } else { /* error condition */
+ if (bytes) free(bytes);
+ else if (oldBytes) free(oldBytes);
+ // error recovery: skip until 2 adjacent newlines.
+ DBG_(("db: invalid character 0x%x '%c'\n", c,c));
+ if (c != EOF) {
+ c = lexGetc();
+ while (c != EOF) {
+ if (c == '\n') {
+ lexSkipWhite();
+ if(lexLookahead() == '\n') {
+ ++mime_lineNum;
+ break;
+ }
+ }
+ c = lexGetc();
+ }
+ }
+ return c != EOF;
+ }
+ trip = (trip << 6) | b;
+ if (++quadIx == 4) {
+ unsigned char outBytes[3];
+ int numOut;
+ int i;
+ for (i = 0; i < 3; i++) {
+ outBytes[2-i] = (unsigned char)(trip & 0xFF);
+ trip >>= 8;
+ }
+ numOut = 3 - pad;
+ if (bytesLen + numOut > bytesMax) {
+ if (!bytes) {
+ bytesMax = 1024;
+ bytes = (unsigned char*)malloc((size_t)bytesMax);
+ }
+ else {
+ bytesMax <<= 2;
+ oldBytes = bytes;
+ bytes = (unsigned char*)realloc(bytes,(size_t)bytesMax);
+ }
+ if (bytes == 0) {
+ mime_error("out of memory while processing BASE64 data\n");
+ }
+ }
+ if (bytes) {
+ memcpy(bytes + bytesLen, outBytes, numOut);
+ bytesLen += numOut;
+ }
+ trip = 0;
+ quadIx = 0;
+ }
+ }
+ } /* while */
+ DBG_(("db: bytesLen = %d\n", bytesLen));
+ /* kludge: all this won't be necessary if we have tree form
+ representation */
+ if (bytes) {
+ setValueWithSize(curProp,bytes,(unsigned int)bytesLen);
+ free(bytes);
+ }
+ else if (oldBytes) {
+ setValueWithSize(curProp,oldBytes,(unsigned int)bytesLen);
+ free(oldBytes);
+ }
+ return bytesLen;
+ }
+
+static int match_begin_end_name(int end) {
+ int token;
+ lexSkipWhite();
+ if (lexLookahead() != ':') return ID;
+ lexSkipLookahead();
+ lexSkipWhite();
+ token = match_begin_name(end);
+ if (token == ID) {
+ lexPushLookaheadc(':');
+ DBG_(("db: ID '%s'\n", yylval.str));
+ return ID;
+ }
+ else if (token != 0) {
+ lexSkipLookaheadWord();
+ deleteStr(yylval.str);
+ DBG_(("db: begin/end %d\n", token));
+ return token;
+ }
+ return 0;
+ }
+
+static char* lexGetQuotedPrintable()
+{
+ int c;
+ lexSkipWhite();
+ c = lexLookahead();
+ lexClearToken();
+
+ while (c != EOF && (c != ';' || !fieldedProp)) {
+ if (c == '\n') {
+ // break, leave '\n' on remaining chars.
+ break;
+ } else if (c == '=') {
+ int cur = 0;
+ int next;
+
+ lexSkipLookahead(); // skip '='
+ next = lexLookahead();
+
+ if (next == '\n') {
+ // skip and only skip the \n
+ lexSkipLookahead();
+ c = lexLookahead();
+ ++mime_lineNum; // aid in error reporting
+ continue;
+ } else if (next >= '0' && next <= '9') {
+ cur = next - '0';
+ } else if (next >= 'A' && next <= 'F') {
+ cur = next - 'A' + 10;
+ } else {
+ // we have been sent buggy stuff. doesn't matter
+ // what we do so long as we keep going.
+ // should probably spit an error here
+ lexSkipLookahead();
+ c = lexLookahead();
+ continue;
+ }
+
+ lexSkipLookahead(); // skip A-Z0-9
+ next = lexLookahead();
+
+ cur = cur * 16;
+ // this time really just expecting 0-9A-F
+ if (next >= '0' && next <= '9') {
+ cur += next - '0';
+ } else if (next >= 'A' && next <= 'F') {
+ cur += next - 'A' + 10;
+ } else {
+ // we have been sent buggy stuff. doesn't matter
+ // what we do so long as we keep going.
+ // should probably spit an error here
+ lexSkipLookahead();
+ c = lexLookahead();
+ continue;
+ }
+
+ // got a valid escaped =. append it.
+ lexSkipLookahead(); // skip second 0-9A-F
+ lexAppendc(cur);
+ } else {
+ lexSkipLookahead(); // skip whatever we just read.
+ lexAppendc(c); // and append it.
+ }
+ c = lexLookahead();
+ }
+ lexAppendc(0);
+ return c==EOF?0:lexStr();
+}
+
+static int yylex() {
+
+ int lexmode = LEXMODE();
+ if (lexmode == L_VALUES) {
+ int c = lexGetc();
+ if (c == ';' && fieldedProp) {
+ DBG_(("db: SEMICOLON\n"));
+ lexPushLookaheadc(c);
+ handleMoreRFC822LineBreak(c);
+ lexSkipLookahead();
+ return SEMICOLON;
+ }
+ else if (strchr("\n",c)) {
+ ++mime_lineNum;
+ /* consume all line separator(s) adjacent to each other */
+ c = lexLookahead();
+ while (strchr("\n",c)) {
+ lexSkipLookahead();
+ c = lexLookahead();
+ ++mime_lineNum;
+ }
+ DBG_(("db: LINESEP\n"));
+ return LINESEP;
+ }
+ else {
+ char *p = 0;
+ lexPushLookaheadc(c);
+ if (lexWithinMode(L_BASE64)) {
+ /* get each char and convert to bin on the fly... */
+ yylval.str = NULL;
+ return lexGetDataFromBase64() ? STRING : 0;
+ }
+ else if (lexWithinMode(L_QUOTED_PRINTABLE)) {
+ p = lexGetQuotedPrintable();
+ }
+ else {
+#ifdef _SUPPORT_LINE_FOLDING
+ p = lexGet1Value();
+#else
+ p = lexGetStrUntil(";\n");
+#endif
+ }
+ if (p) {
+ DBG_(("db: STRING: '%s'\n", p));
+ yylval.str = p;
+ return STRING;
+ }
+ else return 0;
+ }
+ }
+ else {
+ /* normal mode */
+ while (1) {
+ int c = lexGetc();
+ switch(c) {
+ case ':': {
+ /* consume all line separator(s) adjacent to each other */
+ /* ignoring linesep immediately after colon. */
+ /* I don't see this in the spec, and it breaks null values -- WA
+ c = lexLookahead();
+ while (strchr("\n",c)) {
+ lexSkipLookahead();
+ c = lexLookahead();
+ ++mime_lineNum;
+ }
+ */
+ DBG_(("db: COLON\n"));
+ return COLON;
+ }
+ case ';':
+ DBG_(("db: SEMICOLON\n"));
+ return SEMICOLON;
+ case '=':
+ DBG_(("db: EQ\n"));
+ return EQ;
+ /* ignore whitespace in this mode */
+ case '\t':
+ case ' ': continue;
+ case '\n': {
+ ++mime_lineNum;
+ continue;
+ }
+ case EOF: return 0;
+ break;
+ default: {
+ lexPushLookaheadc(c);
+ if (isalnum(c)) {
+ char *t = lexGetWord();
+ yylval.str = t;
+ if (!qstricmp(t, "begin")) {
+ return match_begin_end_name(0);
+ }
+ else if (!qstricmp(t,"end")) {
+ return match_begin_end_name(1);
+ }
+ else {
+ DBG_(("db: ID '%s'\n", t));
+ return ID;
+ }
+ }
+ else {
+ /* unknow token */
+ return 0;
+ }
+ break;
+ }
+ }
+ }
+ }
+ return 0;
+ }
+
+
+/***************************************************************************/
+/*** Public Functions ****/
+/***************************************************************************/
+
+static VObject* Parse_MIMEHelper()
+ {
+ ObjStackTop = -1;
+ mime_numErrors = 0;
+ mime_lineNum = 1;
+ vObjList = 0;
+ curObj = 0;
+
+ if (yyparse() != 0)
+ return 0;
+
+ finiLex();
+ return vObjList;
+ }
+
+/*--------------------------------------------*/
+DLLEXPORT(VObject*) Parse_MIME(const char *input, unsigned long len)
+ {
+ initLex(input, len, 0);
+ return Parse_MIMEHelper();
+ }
+
+
+#if INCLUDEMFC
+
+DLLEXPORT(VObject*) Parse_MIME_FromFile(CFile *file)
+ {
+ unsigned long startPos;
+ VObject *result;
+
+ initLex(0,-1,file);
+ startPos = file->GetPosition();
+ if (!(result = Parse_MIMEHelper()))
+ file->Seek(startPos, CFile::begin);
+ return result;
+ }
+
+#else
+
+VObject* Parse_MIME_FromFile(FILE *file)
+ {
+ VObject *result;
+ long startPos;
+
+ initLex(0,(unsigned long)-1,file);
+ startPos = ftell(file);
+ if (!(result = Parse_MIMEHelper())) {
+ fseek(file,startPos,SEEK_SET);
+ }
+ return result;
+ }
+
+DLLEXPORT(VObject*) Parse_MIME_FromFileName(char *fname)
+ {
+ FILE *fp = fopen(fname,"r");
+ if (fp) {
+ VObject* o = Parse_MIME_FromFile(fp);
+ fclose(fp);
+ return o;
+ }
+ else {
+ char msg[80];
+ sprintf(msg, "can't open file '%s' for reading\n", fname);
+ mime_error_(msg);
+ return 0;
+ }
+ }
+
+#endif
+
+/*-------------------------------------*/
+
+static MimeErrorHandler mimeErrorHandler;
+
+DLLEXPORT(void) registerMimeErrorHandler(MimeErrorHandler me)
+ {
+ mimeErrorHandler = me;
+ }
+
+void mime_error(char *s)
+ {
+ char msg[256];
+ if (mimeErrorHandler) {
+ sprintf(msg,"%s at line %d", s, mime_lineNum);
+ mimeErrorHandler(msg);
+ }
+ }
+
+void mime_error_(char *s)
+ {
+ if (mimeErrorHandler) {
+ mimeErrorHandler(s);
+ }
+ }
+
diff --git a/library/backend/vcc_yacc.cpp b/library/backend/vcc_yacc.cpp
index 4006bc2..bc05f87 100644
--- a/library/backend/vcc_yacc.cpp
+++ b/library/backend/vcc_yacc.cpp
@@ -13,234 +13,239 @@ static char yyrcsid[] = "$Id$";
#define yyerror vccerror
#define yychar vccchar
#define yyval vccval
#define yylval vcclval
#define yydebug vccdebug
#define yynerrs vccnerrs
#define yyerrflag vccerrflag
#define yyss vccss
#define yyssp vccssp
#define yyvs vccvs
#define yyvsp vccvsp
#define yylhs vcclhs
#define yylen vcclen
#define yydefred vccdefred
#define yydgoto vccdgoto
#define yysindex vccsindex
#define yyrindex vccrindex
#define yygindex vccgindex
#define yytable vcctable
#define yycheck vcccheck
#define yyname vccname
#define yyrule vccrule
#define YYPREFIX "vcc"
#line 1 "backend/vcc.y"
-
-
-/***************************************************************************
-(C) Copyright 1996 Apple Computer, Inc., AT&T Corp., International
-Business Machines Corporation and Siemens Rolm Communications Inc.
-
-For purposes of this license notice, the term Licensors shall mean,
-collectively, Apple Computer, Inc., AT&T Corp., International
-Business Machines Corporation and Siemens Rolm Communications Inc.
-The term Licensor shall mean any of the Licensors.
-
-Subject to acceptance of the following conditions, permission is hereby
-granted by Licensors without the need for written agreement and without
-license or royalty fees, to use, copy, modify and distribute this
-software for any purpose.
-
-The above copyright notice and the following four paragraphs must be
-reproduced in all copies of this software and any software including
-this software.
-
-THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS AND NO LICENSOR SHALL HAVE
-ANY OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR
-MODIFICATIONS.
-
-IN NO EVENT SHALL ANY LICENSOR BE LIABLE TO ANY PARTY FOR DIRECT,
-INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT
-OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
-DAMAGE.
-
-EACH LICENSOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF NONINFRINGEMENT OR THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.
-
-The software is provided with RESTRICTED RIGHTS. Use, duplication, or
-disclosure by the government are subject to restrictions set forth in
-DFARS 252.227-7013 or 48 CFR 52.227-19, as applicable.
-
-***************************************************************************/
-
-/*
- * src: vcc.c
- * doc: Parser for vCard and vCalendar. Note that this code is
- * generated by a yacc parser generator. Generally it should not
- * be edited by hand. The real source is vcc.y. The #line directives
- * can be commented out here to make it easier to trace through
- * in a debugger. However, if a bug is found it should
- * be fixed in vcc.y and this file regenerated.
- */
-
-
-/* debugging utilities */
-#if __DEBUG
-#define DBG_(x) printf x
-#else
-#define DBG_(x)
-#endif
-
-/**** External Functions ****/
-
-/* assign local name to parser variables and functions so that
- we can use more than one yacc based parser.
-*/
-
-#if 0
-#define yyparse mime_parse
-#define yylex mime_lex
-#define yyerror mime_error
-#define yychar mime_char
-/* #define p_yyval p_mime_val */
-#undef yyval
-#define yyval mime_yyval
-/* #define p_yylval p_mime_lval */
-#undef yylval
-#define yylval mime_yylval
-#define yydebug mime_debug
-#define yynerrs mime_nerrs
-#define yyerrflag mime_errflag
-#define yyss mime_ss
-#define yyssp mime_ssp
-#define yyvs mime_vs
-#define yyvsp mime_vsp
-#define yylhs mime_lhs
-#define yylen mime_len
-#define yydefred mime_defred
-#define yydgoto mime_dgoto
-#define yysindex mime_sindex
-#define yyrindex mime_rindex
-#define yygindex mime_gindex
-#define yytable mime_table
-#define yycheck mime_check
-#define yyname mime_name
-#define yyrule mime_rule
-#ifdef YYPREFIX
-#undef YYPREFIX
-#endif
-#define YYPREFIX "mime_"
-#endif
-
-
-#ifndef _NO_LINE_FOLDING
-#define _SUPPORT_LINE_FOLDING 1
-#endif
-
-/* undef below if compile with MFC */
-/* #define INCLUDEMFC 1 */
-
-#if defined(WIN32) || defined(_WIN32)
-#ifdef INCLUDEMFC
-#include <afx.h>
-#endif
-#endif
-
-#include <string.h>
-#ifndef __MWERKS__
-#include <stdlib.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-/*#ifdef PALMTOPCENTER */
-/*#include <qpe/vobject_p.h> */
-/*#else */
-#include "vobject_p.h"
-/*#endif */
-
-/**** Types, Constants ****/
-
-#define YYDEBUG 0 /* 1 to compile in some debugging code */
-#define MAXTOKEN 256 /* maximum token (line) length */
-#define YYSTACKSIZE 100 /* ~unref ? */
-#define MAXLEVEL 10 /* max # of nested objects parseable */
- /* (includes outermost) */
-
-
-/**** Global Variables ****/
-int mime_lineNum, mime_numErrors; /* yyerror() can use these */
-static VObject* vObjList;
-static VObject *curProp;
-static VObject *curObj;
-static VObject* ObjStack[MAXLEVEL];
-static int ObjStackTop;
-
-
-/* A helpful utility for the rest of the app. */
-#if __CPLUSPLUS__
-extern "C" {
-#endif
-
- extern void yyerror(char *s);
-
-#if __CPLUSPLUS__
- };
-#endif
-
-int yyparse();
-
-enum LexMode {
- L_NORMAL,
- L_VCARD,
- L_VCAL,
- L_VEVENT,
- L_VTODO,
- L_VALUES,
- L_BASE64,
- L_QUOTED_PRINTABLE
- };
-
-/**** Private Forward Declarations ****/
-static int pushVObject(const char *prop);
-static VObject* popVObject();
-static void lexPopMode(int top);
-static int lexWithinMode(enum LexMode mode);
-static void lexPushMode(enum LexMode mode);
-static void enterProps(const char *s);
-static void enterAttr(const char *s1, const char *s2);
-static void enterValues(const char *value);
-#define mime_error yyerror
-void mime_error(char *s);
-void mime_error_(char *s);
-
+
+
+/***************************************************************************
+(C) Copyright 1996 Apple Computer, Inc., AT&T Corp., International
+Business Machines Corporation and Siemens Rolm Communications Inc.
+
+For purposes of this license notice, the term Licensors shall mean,
+collectively, Apple Computer, Inc., AT&T Corp., International
+Business Machines Corporation and Siemens Rolm Communications Inc.
+The term Licensor shall mean any of the Licensors.
+
+Subject to acceptance of the following conditions, permission is hereby
+granted by Licensors without the need for written agreement and without
+license or royalty fees, to use, copy, modify and distribute this
+software for any purpose.
+
+The above copyright notice and the following four paragraphs must be
+reproduced in all copies of this software and any software including
+this software.
+
+THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS AND NO LICENSOR SHALL HAVE
+ANY OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR
+MODIFICATIONS.
+
+IN NO EVENT SHALL ANY LICENSOR BE LIABLE TO ANY PARTY FOR DIRECT,
+INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT
+OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+
+EACH LICENSOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF NONINFRINGEMENT OR THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.
+
+The software is provided with RESTRICTED RIGHTS. Use, duplication, or
+disclosure by the government are subject to restrictions set forth in
+DFARS 252.227-7013 or 48 CFR 52.227-19, as applicable.
+
+***************************************************************************/
+
+/*
+ * src: vcc.c
+ * doc: Parser for vCard and vCalendar. Note that this code is
+ * generated by a yacc parser generator. Generally it should not
+ * be edited by hand. The real source is vcc.y. The #line directives
+ * can be commented out here to make it easier to trace through
+ * in a debugger. However, if a bug is found it should
+ * be fixed in vcc.y and this file regenerated.
+ */
+
+
+/* debugging utilities */
+#if __DEBUG
+#define DBG_(x) printf x
+#else
+#define DBG_(x)
+#endif
+
+/**** External Functions ****/
+
+/* assign local name to parser variables and functions so that
+ we can use more than one yacc based parser.
+*/
+
+#if 0
+#define yyparse mime_parse
+#define yylex mime_lex
+#define yyerror mime_error
+#define yychar mime_char
+/* #define p_yyval p_mime_val */
+#undef yyval
+#define yyval mime_yyval
+/* #define p_yylval p_mime_lval */
+#undef yylval
+#define yylval mime_yylval
+#define yydebug mime_debug
+#define yynerrs mime_nerrs
+#define yyerrflag mime_errflag
+#define yyss mime_ss
+#define yyssp mime_ssp
+#define yyvs mime_vs
+#define yyvsp mime_vsp
+#define yylhs mime_lhs
+#define yylen mime_len
+#define yydefred mime_defred
+#define yydgoto mime_dgoto
+#define yysindex mime_sindex
+#define yyrindex mime_rindex
+#define yygindex mime_gindex
+#define yytable mime_table
+#define yycheck mime_check
+#define yyname mime_name
+#define yyrule mime_rule
+#ifdef YYPREFIX
+#undef YYPREFIX
+#endif
+#define YYPREFIX "mime_"
+#endif
+
+
+#ifndef _NO_LINE_FOLDING
+#define _SUPPORT_LINE_FOLDING 1
+#endif
+
+/* undef below if compile with MFC */
+/* #define INCLUDEMFC 1 */
+
+#if defined(WIN32) || defined(_WIN32)
+#ifdef INCLUDEMFC
+#include <afx.h>
+#endif
+#endif
+
+#include <string.h>
+#ifndef __MWERKS__
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+/*#ifdef PALMTOPCENTER
+*/
+/*#include <qpe/vobject_p.h>
+*/
+/*#else
+*/
+#include "vobject_p.h"
+/*#endif
+*/
+
+/**** Types, Constants ****/
+
+#define YYDEBUG 0 /* 1 to compile in some debugging code */
+#define MAXTOKEN 256 /* maximum token (line) length */
+#define YYSTACKSIZE 100 /* ~unref ?
+*/
+#define MAXLEVEL 10 /* max # of nested objects parseable */
+ /* (includes outermost) */
+
+
+/**** Global Variables ****/
+int mime_lineNum, mime_numErrors; /* yyerror() can use these */
+static VObject* vObjList;
+static VObject *curProp;
+static VObject *curObj;
+static VObject* ObjStack[MAXLEVEL];
+static int ObjStackTop;
+
+
+/* A helpful utility for the rest of the app. */
+#if __CPLUSPLUS__
+extern "C" {
+#endif
+
+ extern void yyerror(char *s);
+
+#if __CPLUSPLUS__
+ };
+#endif
+
+int yyparse();
+
+enum LexMode {
+ L_NORMAL,
+ L_VCARD,
+ L_VCAL,
+ L_VEVENT,
+ L_VTODO,
+ L_VALUES,
+ L_BASE64,
+ L_QUOTED_PRINTABLE
+ };
+
+/**** Private Forward Declarations ****/
+static int pushVObject(const char *prop);
+static VObject* popVObject();
+static void lexPopMode(int top);
+static int lexWithinMode(enum LexMode mode);
+static void lexPushMode(enum LexMode mode);
+static void enterProps(const char *s);
+static void enterAttr(const char *s1, const char *s2);
+static void enterValues(const char *value);
+#define mime_error yyerror
+void mime_error(char *s);
+void mime_error_(char *s);
+
#line 189 "backend/vcc.y"
-typedef union {
- char *str;
- VObject *vobj;
+typedef union {
+ char *str;
+ VObject *vobj;
} YYSTYPE;
#line 225 "y.tab.c"
#define EQ 257
#define COLON 258
#define DOT 259
#define SEMICOLON 260
#define SPACE 261
#define HTAB 262
#define LINESEP 263
#define NEWLINE 264
#define BEGIN_VCARD 265
#define END_VCARD 266
#define BEGIN_VCAL 267
#define END_VCAL 268
#define BEGIN_VEVENT 269
#define END_VEVENT 270
#define BEGIN_VTODO 271
#define END_VTODO 272
#define ID 273
#define STRING 274
#define YYERRCODE 256
short vcclhs[] = { -1,
0, 6, 6, 5, 5, 8, 3, 9, 3, 7,
7, 13, 10, 10, 15, 11, 11, 14, 14, 16,
@@ -378,886 +383,886 @@ char *vccrule[] = {
#endif
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short yyss[YYSTACKSIZE];
YYSTYPE yyvs[YYSTACKSIZE];
#define yystacksize YYSTACKSIZE
#line 382 "backend/vcc.y"
-
-/*------------------------------------*/
-static int pushVObject(const char *prop)
- {
- VObject *newObj;
- if (ObjStackTop == MAXLEVEL)
- return FALSE;
-
- ObjStack[++ObjStackTop] = curObj;
-
- if (curObj) {
- newObj = addProp(curObj,prop);
- curObj = newObj;
- }
- else
- curObj = newVObject(prop);
-
- return TRUE;
- }
-
-
-/*---------------------------------------*/
-/* This pops the recently built vCard off the stack and returns it. */
-static VObject* popVObject()
- {
- VObject *oldObj;
- if (ObjStackTop < 0) {
- yyerror("pop on empty Object Stack\n");
- return 0;
- }
- oldObj = curObj;
- curObj = ObjStack[ObjStackTop--];
-
- return oldObj;
- }
-
-
-static void enterValues(const char *value)
- {
- if (fieldedProp && *fieldedProp) {
- if (value) {
- addPropValue(curProp,*fieldedProp,value);
- }
- /* else this field is empty, advance to next field */
- fieldedProp++;
- }
- else {
- if (value) {
- setVObjectStringZValue_(curProp,strdup( value ));
- }
- }
- deleteStr(value);
- }
-
-static void enterProps(const char *s)
- {
- curProp = addGroup(curObj,s);
- deleteStr(s);
- }
-
-static void enterAttr(const char *s1, const char *s2)
- {
- const char *p1, *p2=0;
- p1 = lookupProp_(s1);
- if (s2) {
- VObject *a;
- p2 = lookupProp_(s2);
- a = addProp(curProp,p1);
- setVObjectStringZValue(a,p2);
- }
- else
- addProp(curProp,p1);
- if (qstricmp(p1,VCBase64Prop) == 0 || (s2 && qstricmp(p2,VCBase64Prop)==0))
- lexPushMode(L_BASE64);
- else if (qstricmp(p1,VCQuotedPrintableProp) == 0
- || (s2 && qstricmp(p2,VCQuotedPrintableProp)==0))
- lexPushMode(L_QUOTED_PRINTABLE);
- deleteStr(s1); deleteStr(s2);
- }
-
-
-#define MAX_LEX_LOOKAHEAD_0 32
-#define MAX_LEX_LOOKAHEAD 64
-#define MAX_LEX_MODE_STACK_SIZE 10
-#define LEXMODE() (lexBuf.lexModeStack[lexBuf.lexModeStackTop])
-
-struct LexBuf {
- /* input */
-#ifdef INCLUDEMFC
- CFile *inputFile;
-#else
- FILE *inputFile;
-#endif
- char *inputString;
- unsigned long curPos;
- unsigned long inputLen;
- /* lookahead buffer */
- /* -- lookahead buffer is short instead of char so that EOF
- / can be represented correctly.
- */
- unsigned long len;
- short buf[MAX_LEX_LOOKAHEAD];
- unsigned long getPtr;
- /* context stack */
- unsigned long lexModeStackTop;
- enum LexMode lexModeStack[MAX_LEX_MODE_STACK_SIZE];
- /* token buffer */
- unsigned long maxToken;
- char *strs;
- unsigned long strsLen;
- } lexBuf;
-
-static void lexPushMode(enum LexMode mode)
- {
- if (lexBuf.lexModeStackTop == (MAX_LEX_MODE_STACK_SIZE-1))
- yyerror("lexical context stack overflow");
- else {
- lexBuf.lexModeStack[++lexBuf.lexModeStackTop] = mode;
- }
- }
-
-static void lexPopMode(int top)
- {
- /* special case of pop for ease of error recovery -- this
- version will never underflow */
- if (top)
- lexBuf.lexModeStackTop = 0;
- else
- if (lexBuf.lexModeStackTop > 0) lexBuf.lexModeStackTop--;
- }
-
-static int lexWithinMode(enum LexMode mode) {
- unsigned long i;
- for (i=0;i<lexBuf.lexModeStackTop;i++)
- if (mode == lexBuf.lexModeStack[i]) return 1;
- return 0;
- }
-
-static int lexGetc_()
- {
- /* get next char from input, no buffering. */
- if (lexBuf.curPos == lexBuf.inputLen)
- return EOF;
- else if (lexBuf.inputString)
- return *(lexBuf.inputString + lexBuf.curPos++);
- else {
-#ifdef INCLUDEMFC
- char result;
- return lexBuf.inputFile->Read(&result, 1) == 1 ? result : EOF;
-#else
- return fgetc(lexBuf.inputFile);
-#endif
- }
- }
-
-static int lexGeta()
- {
- ++lexBuf.len;
- return (lexBuf.buf[lexBuf.getPtr] = lexGetc_());
- }
-
-static int lexGeta_(int i)
- {
- ++lexBuf.len;
- return (lexBuf.buf[(lexBuf.getPtr+i)%MAX_LEX_LOOKAHEAD] = lexGetc_());
- }
-
-static void lexSkipLookahead() {
- if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
- /* don't skip EOF. */
- lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
- lexBuf.len--;
- }
- }
-
-static int lexLookahead() {
- int c = (lexBuf.len)?
- lexBuf.buf[lexBuf.getPtr]:
- lexGeta();
- /* do the \r\n -> \n or \r -> \n translation here */
- if (c == '\r') {
- int a = (lexBuf.len>1)?
- lexBuf.buf[(lexBuf.getPtr+1)%MAX_LEX_LOOKAHEAD]:
- lexGeta_(1);
- if (a == '\n') {
- lexSkipLookahead();
- }
- lexBuf.buf[lexBuf.getPtr] = c = '\n';
- }
- else if (c == '\n') {
- int a = (lexBuf.len>1)?
- lexBuf.buf[lexBuf.getPtr+1]:
- lexGeta_(1);
- if (a == '\r') {
- lexSkipLookahead();
- }
- lexBuf.buf[lexBuf.getPtr] = '\n';
- }
- return c;
- }
-
-static int lexGetc() {
- int c = lexLookahead();
- if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
- /* EOF will remain in lookahead buffer */
- lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
- lexBuf.len--;
- }
- return c;
- }
-
-static void lexSkipLookaheadWord() {
- if (lexBuf.strsLen <= lexBuf.len) {
- lexBuf.len -= lexBuf.strsLen;
- lexBuf.getPtr = (lexBuf.getPtr + lexBuf.strsLen) % MAX_LEX_LOOKAHEAD;
- }
- }
-
-static void lexClearToken()
- {
- lexBuf.strsLen = 0;
- }
-
-static void lexAppendc(int c)
- {
- lexBuf.strs[lexBuf.strsLen] = c;
- /* append up to zero termination */
- if (c == 0) return;
- lexBuf.strsLen++;
- if (lexBuf.strsLen > lexBuf.maxToken) {
- /* double the token string size */
- lexBuf.maxToken <<= 1;
- lexBuf.strs = (char*) realloc(lexBuf.strs,(size_t)lexBuf.maxToken);
- }
- }
-
-static char* lexStr() {
- return dupStr(lexBuf.strs,(size_t)lexBuf.strsLen+1);
- }
-
-static void lexSkipWhite() {
- int c = lexLookahead();
- while (c == ' ' || c == '\t') {
- lexSkipLookahead();
- c = lexLookahead();
- }
- }
-
-static char* lexGetWord() {
- int c;
- lexSkipWhite();
- lexClearToken();
- c = lexLookahead();
- while (c != EOF && !strchr("\t\n ;:=",c)) {
- lexAppendc(c);
- lexSkipLookahead();
- c = lexLookahead();
- }
- lexAppendc(0);
- return lexStr();
- }
-
-static void lexPushLookaheadc(int c) {
- int putptr;
- /* can't putback EOF, because it never leaves lookahead buffer */
- if (c == EOF) return;
- putptr = (int)lexBuf.getPtr - 1;
- if (putptr < 0) putptr += MAX_LEX_LOOKAHEAD;
- lexBuf.getPtr = putptr;
- lexBuf.buf[putptr] = c;
- lexBuf.len += 1;
- }
-
-static char* lexLookaheadWord() {
- /* this function can lookahead word with max size of MAX_LEX_LOOKAHEAD_0
- / and thing bigger than that will stop the lookahead and return 0;
- / leading white spaces are not recoverable.
- */
- int c;
- int len = 0;
- int curgetptr = 0;
- lexSkipWhite();
- lexClearToken();
- curgetptr = (int)lexBuf.getPtr; // remember!
- while (len < (MAX_LEX_LOOKAHEAD_0)) {
- c = lexGetc();
- len++;
- if (c == EOF || strchr("\t\n ;:=", c)) {
- lexAppendc(0);
- /* restore lookahead buf. */
- lexBuf.len += len;
- lexBuf.getPtr = curgetptr;
- return lexStr();
- }
- else
- lexAppendc(c);
- }
- lexBuf.len += len; /* char that has been moved to lookahead buffer */
- lexBuf.getPtr = curgetptr;
- return 0;
- }
-
-#ifdef _SUPPORT_LINE_FOLDING
-static void handleMoreRFC822LineBreak(int c) {
- /* suport RFC 822 line break in cases like
- * ADR: foo;
- * morefoo;
- * more foo;
- */
- if (c == ';') {
- int a;
- lexSkipLookahead();
- /* skip white spaces */
- a = lexLookahead();
- while (a == ' ' || a == '\t') {
- lexSkipLookahead();
- a = lexLookahead();
- }
- if (a == '\n') {
- lexSkipLookahead();
- a = lexLookahead();
- if (a == ' ' || a == '\t') {
- /* continuation, throw away all the \n and spaces read so
- * far
- */
- lexSkipWhite();
- lexPushLookaheadc(';');
- }
- else {
- lexPushLookaheadc('\n');
- lexPushLookaheadc(';');
- }
- }
- else {
- lexPushLookaheadc(';');
- }
- }
- }
-
-static char* lexGet1Value() {
- int c;
- lexSkipWhite();
- c = lexLookahead();
- lexClearToken();
- while (c != EOF && (c != ';' || !fieldedProp)) {
- if (c == '\\' ) {
- int a;
- lexSkipLookahead();
- a = lexLookahead();
- if ( a == ';' ) {
- lexAppendc( ';' );
- lexSkipLookahead();
- } else if ( a == '\n' ) {
- lexAppendc( '\n' );
- lexSkipLookahead();
- } else if ( a == '\\' ) {
- lexAppendc( '\\' );
- lexSkipLookahead();
- } else {
- lexAppendc('\\');
- }
- } else if (c == '\n') {
- int a;
- lexSkipLookahead();
- a = lexLookahead();
- if (a == ' ' || a == '\t') {
- lexAppendc(' ');
- lexSkipLookahead();
- }
- else {
- lexPushLookaheadc('\n');
- break;
- }
- }
- else {
- lexAppendc(c);
- lexSkipLookahead();
- }
- c = lexLookahead();
- }
- lexAppendc(0);
- handleMoreRFC822LineBreak(c);
- return c==EOF?0:lexStr();
- }
-#endif
-
-static int match_begin_name(int end) {
- char *n = lexLookaheadWord();
- int token = ID;
- if (n) {
- if (!qstricmp(n,"vcard")) token = end?END_VCARD:BEGIN_VCARD;
- else if (!qstricmp(n,"vcalendar")) token = end?END_VCAL:BEGIN_VCAL;
- else if (!qstricmp(n,"vevent")) token = end?END_VEVENT:BEGIN_VEVENT;
- else if (!qstricmp(n,"vtodo")) token = end?END_VTODO:BEGIN_VTODO;
- deleteStr(n);
- return token;
- }
- return 0;
- }
-
-
-#ifdef INCLUDEMFC
-void initLex(const char *inputstring, unsigned long inputlen, CFile *inputfile)
-#else
-void initLex(const char *inputstring, unsigned long inputlen, FILE *inputfile)
-#endif
- {
- // initialize lex mode stack
- lexBuf.lexModeStack[lexBuf.lexModeStackTop=0] = L_NORMAL;
-
- // iniatialize lex buffer.
- lexBuf.inputString = (char*) inputstring;
- lexBuf.inputLen = inputlen;
- lexBuf.curPos = 0;
- lexBuf.inputFile = inputfile;
-
- lexBuf.len = 0;
- lexBuf.getPtr = 0;
-
- lexBuf.maxToken = MAXTOKEN;
- lexBuf.strs = (char*)malloc(MAXTOKEN);
- lexBuf.strsLen = 0;
-
- }
-
-static void finiLex() {
- free(lexBuf.strs);
- }
-
-
-/*-----------------------------------*/
-/* This parses and converts the base64 format for binary encoding into
- * a decoded buffer (allocated with new). See RFC 1521.
- */
-static int lexGetDataFromBase64()
- {
- unsigned long bytesLen = 0, bytesMax = 0;
- int quadIx = 0, pad = 0;
- unsigned long trip = 0;
- unsigned char b;
- int c;
- unsigned char *bytes = NULL;
- unsigned char *oldBytes = NULL;
-
- DBG_(("db: lexGetDataFromBase64\n"));
- while (1) {
- c = lexGetc();
- lexSkipWhite();
- if (c == '\n') {
- ++mime_lineNum;
- if (lexLookahead() == '\n') {
- /* a '\n' character by itself means end of data */
- break;
- }
- else continue; /* ignore '\n' */
- }
- else {
- if ((c >= 'A') && (c <= 'Z'))
- b = (unsigned char)(c - 'A');
- else if ((c >= 'a') && (c <= 'z'))
- b = (unsigned char)(c - 'a') + 26;
- else if ((c >= '0') && (c <= '9'))
- b = (unsigned char)(c - '0') + 52;
- else if (c == '+')
- b = 62;
- else if (c == '/')
- b = 63;
- else if (c == '=') {
- b = 0;
- pad++;
- } else { /* error condition */
- if (bytes) free(bytes);
- else if (oldBytes) free(oldBytes);
- // error recovery: skip until 2 adjacent newlines.
- DBG_(("db: invalid character 0x%x '%c'\n", c,c));
- if (c != EOF) {
- c = lexGetc();
- while (c != EOF) {
- if (c == '\n') {
- lexSkipWhite();
- if(lexLookahead() == '\n') {
- ++mime_lineNum;
- break;
- }
- }
- c = lexGetc();
- }
- }
- return c != EOF;
- }
- trip = (trip << 6) | b;
- if (++quadIx == 4) {
- unsigned char outBytes[3];
- int numOut;
- int i;
- for (i = 0; i < 3; i++) {
- outBytes[2-i] = (unsigned char)(trip & 0xFF);
- trip >>= 8;
- }
- numOut = 3 - pad;
- if (bytesLen + numOut > bytesMax) {
- if (!bytes) {
- bytesMax = 1024;
- bytes = (unsigned char*)malloc((size_t)bytesMax);
- }
- else {
- bytesMax <<= 2;
- oldBytes = bytes;
- bytes = (unsigned char*)realloc(bytes,(size_t)bytesMax);
- }
- if (bytes == 0) {
- mime_error("out of memory while processing BASE64 data\n");
- }
- }
- if (bytes) {
- memcpy(bytes + bytesLen, outBytes, numOut);
- bytesLen += numOut;
- }
- trip = 0;
- quadIx = 0;
- }
- }
- } /* while */
- DBG_(("db: bytesLen = %d\n", bytesLen));
- /* kludge: all this won't be necessary if we have tree form
- representation */
- if (bytes) {
- setValueWithSize(curProp,bytes,(unsigned int)bytesLen);
- free(bytes);
- }
- else if (oldBytes) {
- setValueWithSize(curProp,oldBytes,(unsigned int)bytesLen);
- free(oldBytes);
- }
- return bytesLen;
- }
-
-static int match_begin_end_name(int end) {
- int token;
- lexSkipWhite();
- if (lexLookahead() != ':') return ID;
- lexSkipLookahead();
- lexSkipWhite();
- token = match_begin_name(end);
- if (token == ID) {
- lexPushLookaheadc(':');
- DBG_(("db: ID '%s'\n", yylval.str));
- return ID;
- }
- else if (token != 0) {
- lexSkipLookaheadWord();
- deleteStr(yylval.str);
- DBG_(("db: begin/end %d\n", token));
- return token;
- }
- return 0;
- }
-
-static char* lexGetQuotedPrintable()
-{
- int c;
- lexSkipWhite();
- c = lexLookahead();
- lexClearToken();
-
- while (c != EOF && (c != ';' || !fieldedProp)) {
- if (c == '\n') {
- // break, leave '\n' on remaining chars.
- break;
- } else if (c == '=') {
- int cur = 0;
- int next;
-
- lexSkipLookahead(); // skip '='
- next = lexLookahead();
-
- if (next == '\n') {
- // skip and only skip the \n
- lexSkipLookahead();
- c = lexLookahead();
- ++mime_lineNum; // aid in error reporting
- continue;
- } else if (next >= '0' && next <= '9') {
- cur = next - '0';
- } else if (next >= 'A' && next <= 'F') {
- cur = next - 'A' + 10;
- } else {
- // we have been sent buggy stuff. doesn't matter
- // what we do so long as we keep going.
- // should probably spit an error here
- lexSkipLookahead();
- c = lexLookahead();
- continue;
- }
-
- lexSkipLookahead(); // skip A-Z0-9
- next = lexLookahead();
-
- cur = cur * 16;
- // this time really just expecting 0-9A-F
- if (next >= '0' && next <= '9') {
- cur += next - '0';
- } else if (next >= 'A' && next <= 'F') {
- cur += next - 'A' + 10;
- } else {
- // we have been sent buggy stuff. doesn't matter
- // what we do so long as we keep going.
- // should probably spit an error here
- lexSkipLookahead();
- c = lexLookahead();
- continue;
- }
-
- // got a valid escaped =. append it.
- lexSkipLookahead(); // skip second 0-9A-F
- lexAppendc(cur);
- } else {
- lexSkipLookahead(); // skip whatever we just read.
- lexAppendc(c); // and append it.
- }
- c = lexLookahead();
- }
- lexAppendc(0);
- return c==EOF?0:lexStr();
-}
-
-static int yylex() {
-
- int lexmode = LEXMODE();
- if (lexmode == L_VALUES) {
- int c = lexGetc();
- if (c == ';' && fieldedProp) {
- DBG_(("db: SEMICOLON\n"));
- lexPushLookaheadc(c);
- handleMoreRFC822LineBreak(c);
- lexSkipLookahead();
- return SEMICOLON;
- }
- else if (strchr("\n",c)) {
- ++mime_lineNum;
- /* consume all line separator(s) adjacent to each other */
- c = lexLookahead();
- while (strchr("\n",c)) {
- lexSkipLookahead();
- c = lexLookahead();
- ++mime_lineNum;
- }
- DBG_(("db: LINESEP\n"));
- return LINESEP;
- }
- else {
- char *p = 0;
- lexPushLookaheadc(c);
- if (lexWithinMode(L_BASE64)) {
- /* get each char and convert to bin on the fly... */
- yylval.str = NULL;
- return lexGetDataFromBase64() ? STRING : 0;
- }
- else if (lexWithinMode(L_QUOTED_PRINTABLE)) {
- p = lexGetQuotedPrintable();
- }
- else {
-#ifdef _SUPPORT_LINE_FOLDING
- p = lexGet1Value();
-#else
- p = lexGetStrUntil(";\n");
-#endif
- }
- if (p) {
- DBG_(("db: STRING: '%s'\n", p));
- yylval.str = p;
- return STRING;
- }
- else return 0;
- }
- }
- else {
- /* normal mode */
- while (1) {
- int c = lexGetc();
- switch(c) {
- case ':': {
- /* consume all line separator(s) adjacent to each other */
- /* ignoring linesep immediately after colon. */
- /* I don't see this in the spec, and it breaks null values -- WA
- c = lexLookahead();
- while (strchr("\n",c)) {
- lexSkipLookahead();
- c = lexLookahead();
- ++mime_lineNum;
- }
- */
- DBG_(("db: COLON\n"));
- return COLON;
- }
- case ';':
- DBG_(("db: SEMICOLON\n"));
- return SEMICOLON;
- case '=':
- DBG_(("db: EQ\n"));
- return EQ;
- /* ignore whitespace in this mode */
- case '\t':
- case ' ': continue;
- case '\n': {
- ++mime_lineNum;
- continue;
- }
- case EOF: return 0;
- break;
- default: {
- lexPushLookaheadc(c);
- if (isalnum(c)) {
- char *t = lexGetWord();
- yylval.str = t;
- if (!qstricmp(t, "begin")) {
- return match_begin_end_name(0);
- }
- else if (!qstricmp(t,"end")) {
- return match_begin_end_name(1);
- }
- else {
- DBG_(("db: ID '%s'\n", t));
- return ID;
- }
- }
- else {
- /* unknow token */
- return 0;
- }
- break;
- }
- }
- }
- }
- return 0;
- }
-
-
-/***************************************************************************/
-/*** Public Functions ****/
-/***************************************************************************/
-
-static VObject* Parse_MIMEHelper()
- {
- ObjStackTop = -1;
- mime_numErrors = 0;
- mime_lineNum = 1;
- vObjList = 0;
- curObj = 0;
-
- if (yyparse() != 0)
- return 0;
-
- finiLex();
- return vObjList;
- }
-
-/*--------------------------------------------*/
-DLLEXPORT(VObject*) Parse_MIME(const char *input, unsigned long len)
- {
- initLex(input, len, 0);
- return Parse_MIMEHelper();
- }
-
-
-#if INCLUDEMFC
-
-DLLEXPORT(VObject*) Parse_MIME_FromFile(CFile *file)
- {
- unsigned long startPos;
- VObject *result;
-
- initLex(0,-1,file);
- startPos = file->GetPosition();
- if (!(result = Parse_MIMEHelper()))
- file->Seek(startPos, CFile::begin);
- return result;
- }
-
-#else
-
-VObject* Parse_MIME_FromFile(FILE *file)
- {
- VObject *result;
- long startPos;
-
- initLex(0,(unsigned long)-1,file);
- startPos = ftell(file);
- if (!(result = Parse_MIMEHelper())) {
- fseek(file,startPos,SEEK_SET);
- }
- return result;
- }
-
-DLLEXPORT(VObject*) Parse_MIME_FromFileName(char *fname)
- {
- FILE *fp = fopen(fname,"r");
- if (fp) {
- VObject* o = Parse_MIME_FromFile(fp);
- fclose(fp);
- return o;
- }
- else {
- char msg[80];
- sprintf(msg, "can't open file '%s' for reading\n", fname);
- mime_error_(msg);
- return 0;
- }
- }
-
-#endif
-
-/*-------------------------------------*/
-
-static MimeErrorHandler mimeErrorHandler;
-
-DLLEXPORT(void) registerMimeErrorHandler(MimeErrorHandler me)
- {
- mimeErrorHandler = me;
- }
-
-void mime_error(char *s)
- {
- char msg[256];
- if (mimeErrorHandler) {
- sprintf(msg,"%s at line %d", s, mime_lineNum);
- mimeErrorHandler(msg);
- }
- }
-
-void mime_error_(char *s)
- {
- if (mimeErrorHandler) {
- mimeErrorHandler(s);
- }
- }
-
+
+/*------------------------------------*/
+static int pushVObject(const char *prop)
+ {
+ VObject *newObj;
+ if (ObjStackTop == MAXLEVEL)
+ return FALSE;
+
+ ObjStack[++ObjStackTop] = curObj;
+
+ if (curObj) {
+ newObj = addProp(curObj,prop);
+ curObj = newObj;
+ }
+ else
+ curObj = newVObject(prop);
+
+ return TRUE;
+ }
+
+
+/*---------------------------------------*/
+/* This pops the recently built vCard off the stack and returns it. */
+static VObject* popVObject()
+ {
+ VObject *oldObj;
+ if (ObjStackTop < 0) {
+ yyerror("pop on empty Object Stack\n");
+ return 0;
+ }
+ oldObj = curObj;
+ curObj = ObjStack[ObjStackTop--];
+
+ return oldObj;
+ }
+
+
+static void enterValues(const char *value)
+ {
+ if (fieldedProp && *fieldedProp) {
+ if (value) {
+ addPropValue(curProp,*fieldedProp,value);
+ }
+ /* else this field is empty, advance to next field */
+ fieldedProp++;
+ }
+ else {
+ if (value) {
+ setVObjectStringZValue_(curProp,strdup( value ));
+ }
+ }
+ deleteStr(value);
+ }
+
+static void enterProps(const char *s)
+ {
+ curProp = addGroup(curObj,s);
+ deleteStr(s);
+ }
+
+static void enterAttr(const char *s1, const char *s2)
+ {
+ const char *p1, *p2=0;
+ p1 = lookupProp_(s1);
+ if (s2) {
+ VObject *a;
+ p2 = lookupProp_(s2);
+ a = addProp(curProp,p1);
+ setVObjectStringZValue(a,p2);
+ }
+ else
+ addProp(curProp,p1);
+ if (qstricmp(p1,VCBase64Prop) == 0 || (s2 && qstricmp(p2,VCBase64Prop)==0))
+ lexPushMode(L_BASE64);
+ else if (qstricmp(p1,VCQuotedPrintableProp) == 0
+ || (s2 && qstricmp(p2,VCQuotedPrintableProp)==0))
+ lexPushMode(L_QUOTED_PRINTABLE);
+ deleteStr(s1); deleteStr(s2);
+ }
+
+
+#define MAX_LEX_LOOKAHEAD_0 32
+#define MAX_LEX_LOOKAHEAD 64
+#define MAX_LEX_MODE_STACK_SIZE 10
+#define LEXMODE() (lexBuf.lexModeStack[lexBuf.lexModeStackTop])
+
+struct LexBuf {
+ /* input */
+#ifdef INCLUDEMFC
+ CFile *inputFile;
+#else
+ FILE *inputFile;
+#endif
+ char *inputString;
+ unsigned long curPos;
+ unsigned long inputLen;
+ /* lookahead buffer */
+ /* -- lookahead buffer is short instead of char so that EOF
+ / can be represented correctly.
+ */
+ unsigned long len;
+ short buf[MAX_LEX_LOOKAHEAD];
+ unsigned long getPtr;
+ /* context stack */
+ unsigned long lexModeStackTop;
+ enum LexMode lexModeStack[MAX_LEX_MODE_STACK_SIZE];
+ /* token buffer */
+ unsigned long maxToken;
+ char *strs;
+ unsigned long strsLen;
+ } lexBuf;
+
+static void lexPushMode(enum LexMode mode)
+ {
+ if (lexBuf.lexModeStackTop == (MAX_LEX_MODE_STACK_SIZE-1))
+ yyerror("lexical context stack overflow");
+ else {
+ lexBuf.lexModeStack[++lexBuf.lexModeStackTop] = mode;
+ }
+ }
+
+static void lexPopMode(int top)
+ {
+ /* special case of pop for ease of error recovery -- this
+ version will never underflow */
+ if (top)
+ lexBuf.lexModeStackTop = 0;
+ else
+ if (lexBuf.lexModeStackTop > 0) lexBuf.lexModeStackTop--;
+ }
+
+static int lexWithinMode(enum LexMode mode) {
+ unsigned long i;
+ for (i=0;i<lexBuf.lexModeStackTop;i++)
+ if (mode == lexBuf.lexModeStack[i]) return 1;
+ return 0;
+ }
+
+static int lexGetc_()
+ {
+ /* get next char from input, no buffering. */
+ if (lexBuf.curPos == lexBuf.inputLen)
+ return EOF;
+ else if (lexBuf.inputString)
+ return *(lexBuf.inputString + lexBuf.curPos++);
+ else {
+#ifdef INCLUDEMFC
+ char result;
+ return lexBuf.inputFile->Read(&result, 1) == 1 ? result : EOF;
+#else
+ return fgetc(lexBuf.inputFile);
+#endif
+ }
+ }
+
+static int lexGeta()
+ {
+ ++lexBuf.len;
+ return (lexBuf.buf[lexBuf.getPtr] = lexGetc_());
+ }
+
+static int lexGeta_(int i)
+ {
+ ++lexBuf.len;
+ return (lexBuf.buf[(lexBuf.getPtr+i)%MAX_LEX_LOOKAHEAD] = lexGetc_());
+ }
+
+static void lexSkipLookahead() {
+ if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
+ /* don't skip EOF. */
+ lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
+ lexBuf.len--;
+ }
+ }
+
+static int lexLookahead() {
+ int c = (lexBuf.len)?
+ lexBuf.buf[lexBuf.getPtr]:
+ lexGeta();
+ /* do the \r\n -> \n or \r -> \n translation here */
+ if (c == '\r') {
+ int a = (lexBuf.len>1)?
+ lexBuf.buf[(lexBuf.getPtr+1)%MAX_LEX_LOOKAHEAD]:
+ lexGeta_(1);
+ if (a == '\n') {
+ lexSkipLookahead();
+ }
+ lexBuf.buf[lexBuf.getPtr] = c = '\n';
+ }
+ else if (c == '\n') {
+ int a = (lexBuf.len>1)?
+ lexBuf.buf[lexBuf.getPtr+1]:
+ lexGeta_(1);
+ if (a == '\r') {
+ lexSkipLookahead();
+ }
+ lexBuf.buf[lexBuf.getPtr] = '\n';
+ }
+ return c;
+ }
+
+static int lexGetc() {
+ int c = lexLookahead();
+ if (lexBuf.len > 0 && lexBuf.buf[lexBuf.getPtr]!=EOF) {
+ /* EOF will remain in lookahead buffer */
+ lexBuf.getPtr = (lexBuf.getPtr + 1) % MAX_LEX_LOOKAHEAD;
+ lexBuf.len--;
+ }
+ return c;
+ }
+
+static void lexSkipLookaheadWord() {
+ if (lexBuf.strsLen <= lexBuf.len) {
+ lexBuf.len -= lexBuf.strsLen;
+ lexBuf.getPtr = (lexBuf.getPtr + lexBuf.strsLen) % MAX_LEX_LOOKAHEAD;
+ }
+ }
+
+static void lexClearToken()
+ {
+ lexBuf.strsLen = 0;
+ }
+
+static void lexAppendc(int c)
+ {
+ lexBuf.strs[lexBuf.strsLen] = c;
+ /* append up to zero termination */
+ if (c == 0) return;
+ lexBuf.strsLen++;
+ if (lexBuf.strsLen > lexBuf.maxToken) {
+ /* double the token string size */
+ lexBuf.maxToken <<= 1;
+ lexBuf.strs = (char*) realloc(lexBuf.strs,(size_t)lexBuf.maxToken);
+ }
+ }
+
+static char* lexStr() {
+ return dupStr(lexBuf.strs,(size_t)lexBuf.strsLen+1);
+ }
+
+static void lexSkipWhite() {
+ int c = lexLookahead();
+ while (c == ' ' || c == '\t') {
+ lexSkipLookahead();
+ c = lexLookahead();
+ }
+ }
+
+static char* lexGetWord() {
+ int c;
+ lexSkipWhite();
+ lexClearToken();
+ c = lexLookahead();
+ while (c != EOF && !strchr("\t\n ;:=",c)) {
+ lexAppendc(c);
+ lexSkipLookahead();
+ c = lexLookahead();
+ }
+ lexAppendc(0);
+ return lexStr();
+ }
+
+static void lexPushLookaheadc(int c) {
+ int putptr;
+ /* can't putback EOF, because it never leaves lookahead buffer */
+ if (c == EOF) return;
+ putptr = (int)lexBuf.getPtr - 1;
+ if (putptr < 0) putptr += MAX_LEX_LOOKAHEAD;
+ lexBuf.getPtr = putptr;
+ lexBuf.buf[putptr] = c;
+ lexBuf.len += 1;
+ }
+
+static char* lexLookaheadWord() {
+ /* this function can lookahead word with max size of MAX_LEX_LOOKAHEAD_0
+ / and thing bigger than that will stop the lookahead and return 0;
+ / leading white spaces are not recoverable.
+ */
+ int c;
+ int len = 0;
+ int curgetptr = 0;
+ lexSkipWhite();
+ lexClearToken();
+ curgetptr = (int)lexBuf.getPtr; // remember!
+ while (len < (MAX_LEX_LOOKAHEAD_0)) {
+ c = lexGetc();
+ len++;
+ if (c == EOF || strchr("\t\n ;:=", c)) {
+ lexAppendc(0);
+ /* restore lookahead buf. */
+ lexBuf.len += len;
+ lexBuf.getPtr = curgetptr;
+ return lexStr();
+ }
+ else
+ lexAppendc(c);
+ }
+ lexBuf.len += len; /* char that has been moved to lookahead buffer */
+ lexBuf.getPtr = curgetptr;
+ return 0;
+ }
+
+#ifdef _SUPPORT_LINE_FOLDING
+static void handleMoreRFC822LineBreak(int c) {
+ /* suport RFC 822 line break in cases like
+ * ADR: foo;
+ * morefoo;
+ * more foo;
+ */
+ if (c == ';') {
+ int a;
+ lexSkipLookahead();
+ /* skip white spaces */
+ a = lexLookahead();
+ while (a == ' ' || a == '\t') {
+ lexSkipLookahead();
+ a = lexLookahead();
+ }
+ if (a == '\n') {
+ lexSkipLookahead();
+ a = lexLookahead();
+ if (a == ' ' || a == '\t') {
+ /* continuation, throw away all the \n and spaces read so
+ * far
+ */
+ lexSkipWhite();
+ lexPushLookaheadc(';');
+ }
+ else {
+ lexPushLookaheadc('\n');
+ lexPushLookaheadc(';');
+ }
+ }
+ else {
+ lexPushLookaheadc(';');
+ }
+ }
+ }
+
+static char* lexGet1Value() {
+ int c;
+ lexSkipWhite();
+ c = lexLookahead();
+ lexClearToken();
+ while (c != EOF && (c != ';' || !fieldedProp)) {
+ if (c == '\\' ) {
+ int a;
+ lexSkipLookahead();
+ a = lexLookahead();
+ if ( a == ';' ) {
+ lexAppendc( ';' );
+ lexSkipLookahead();
+ } else if ( a == '\n' ) {
+ lexAppendc( '\n' );
+ lexSkipLookahead();
+ } else if ( a == '\\' ) {
+ lexAppendc( '\\' );
+ lexSkipLookahead();
+ } else {
+ lexAppendc('\\');
+ }
+ } else if (c == '\n') {
+ int a;
+ lexSkipLookahead();
+ a = lexLookahead();
+ if (a == ' ' || a == '\t') {
+ lexAppendc(' ');
+ lexSkipLookahead();
+ }
+ else {
+ lexPushLookaheadc('\n');
+ break;
+ }
+ }
+ else {
+ lexAppendc(c);
+ lexSkipLookahead();
+ }
+ c = lexLookahead();
+ }
+ lexAppendc(0);
+ handleMoreRFC822LineBreak(c);
+ return c==EOF?0:lexStr();
+ }
+#endif
+
+static int match_begin_name(int end) {
+ char *n = lexLookaheadWord();
+ int token = ID;
+ if (n) {
+ if (!qstricmp(n,"vcard")) token = end?END_VCARD:BEGIN_VCARD;
+ else if (!qstricmp(n,"vcalendar")) token = end?END_VCAL:BEGIN_VCAL;
+ else if (!qstricmp(n,"vevent")) token = end?END_VEVENT:BEGIN_VEVENT;
+ else if (!qstricmp(n,"vtodo")) token = end?END_VTODO:BEGIN_VTODO;
+ deleteStr(n);
+ return token;
+ }
+ return 0;
+ }
+
+
+#ifdef INCLUDEMFC
+void initLex(const char *inputstring, unsigned long inputlen, CFile *inputfile)
+#else
+void initLex(const char *inputstring, unsigned long inputlen, FILE *inputfile)
+#endif
+ {
+ // initialize lex mode stack
+ lexBuf.lexModeStack[lexBuf.lexModeStackTop=0] = L_NORMAL;
+
+ // iniatialize lex buffer.
+ lexBuf.inputString = (char*) inputstring;
+ lexBuf.inputLen = inputlen;
+ lexBuf.curPos = 0;
+ lexBuf.inputFile = inputfile;
+
+ lexBuf.len = 0;
+ lexBuf.getPtr = 0;
+
+ lexBuf.maxToken = MAXTOKEN;
+ lexBuf.strs = (char*)malloc(MAXTOKEN);
+ lexBuf.strsLen = 0;
+
+ }
+
+static void finiLex() {
+ free(lexBuf.strs);
+ }
+
+
+/*-----------------------------------*/
+/* This parses and converts the base64 format for binary encoding into
+ * a decoded buffer (allocated with new). See RFC 1521.
+ */
+static int lexGetDataFromBase64()
+ {
+ unsigned long bytesLen = 0, bytesMax = 0;
+ int quadIx = 0, pad = 0;
+ unsigned long trip = 0;
+ unsigned char b;
+ int c;
+ unsigned char *bytes = NULL;
+ unsigned char *oldBytes = NULL;
+
+ DBG_(("db: lexGetDataFromBase64\n"));
+ while (1) {
+ c = lexGetc();
+ lexSkipWhite();
+ if (c == '\n') {
+ ++mime_lineNum;
+ if (lexLookahead() == '\n') {
+ /* a '\n' character by itself means end of data */
+ break;
+ }
+ else continue; /* ignore '\n' */
+ }
+ else {
+ if ((c >= 'A') && (c <= 'Z'))
+ b = (unsigned char)(c - 'A');
+ else if ((c >= 'a') && (c <= 'z'))
+ b = (unsigned char)(c - 'a') + 26;
+ else if ((c >= '0') && (c <= '9'))
+ b = (unsigned char)(c - '0') + 52;
+ else if (c == '+')
+ b = 62;
+ else if (c == '/')
+ b = 63;
+ else if (c == '=') {
+ b = 0;
+ pad++;
+ } else { /* error condition */
+ if (bytes) free(bytes);
+ else if (oldBytes) free(oldBytes);
+ // error recovery: skip until 2 adjacent newlines.
+ DBG_(("db: invalid character 0x%x '%c'\n", c,c));
+ if (c != EOF) {
+ c = lexGetc();
+ while (c != EOF) {
+ if (c == '\n') {
+ lexSkipWhite();
+ if(lexLookahead() == '\n') {
+ ++mime_lineNum;
+ break;
+ }
+ }
+ c = lexGetc();
+ }
+ }
+ return c != EOF;
+ }
+ trip = (trip << 6) | b;
+ if (++quadIx == 4) {
+ unsigned char outBytes[3];
+ int numOut;
+ int i;
+ for (i = 0; i < 3; i++) {
+ outBytes[2-i] = (unsigned char)(trip & 0xFF);
+ trip >>= 8;
+ }
+ numOut = 3 - pad;
+ if (bytesLen + numOut > bytesMax) {
+ if (!bytes) {
+ bytesMax = 1024;
+ bytes = (unsigned char*)malloc((size_t)bytesMax);
+ }
+ else {
+ bytesMax <<= 2;
+ oldBytes = bytes;
+ bytes = (unsigned char*)realloc(bytes,(size_t)bytesMax);
+ }
+ if (bytes == 0) {
+ mime_error("out of memory while processing BASE64 data\n");
+ }
+ }
+ if (bytes) {
+ memcpy(bytes + bytesLen, outBytes, numOut);
+ bytesLen += numOut;
+ }
+ trip = 0;
+ quadIx = 0;
+ }
+ }
+ } /* while */
+ DBG_(("db: bytesLen = %d\n", bytesLen));
+ /* kludge: all this won't be necessary if we have tree form
+ representation */
+ if (bytes) {
+ setValueWithSize(curProp,bytes,(unsigned int)bytesLen);
+ free(bytes);
+ }
+ else if (oldBytes) {
+ setValueWithSize(curProp,oldBytes,(unsigned int)bytesLen);
+ free(oldBytes);
+ }
+ return bytesLen;
+ }
+
+static int match_begin_end_name(int end) {
+ int token;
+ lexSkipWhite();
+ if (lexLookahead() != ':') return ID;
+ lexSkipLookahead();
+ lexSkipWhite();
+ token = match_begin_name(end);
+ if (token == ID) {
+ lexPushLookaheadc(':');
+ DBG_(("db: ID '%s'\n", yylval.str));
+ return ID;
+ }
+ else if (token != 0) {
+ lexSkipLookaheadWord();
+ deleteStr(yylval.str);
+ DBG_(("db: begin/end %d\n", token));
+ return token;
+ }
+ return 0;
+ }
+
+static char* lexGetQuotedPrintable()
+{
+ int c;
+ lexSkipWhite();
+ c = lexLookahead();
+ lexClearToken();
+
+ while (c != EOF && (c != ';' || !fieldedProp)) {
+ if (c == '\n') {
+ // break, leave '\n' on remaining chars.
+ break;
+ } else if (c == '=') {
+ int cur = 0;
+ int next;
+
+ lexSkipLookahead(); // skip '='
+ next = lexLookahead();
+
+ if (next == '\n') {
+ // skip and only skip the \n
+ lexSkipLookahead();
+ c = lexLookahead();
+ ++mime_lineNum; // aid in error reporting
+ continue;
+ } else if (next >= '0' && next <= '9') {
+ cur = next - '0';
+ } else if (next >= 'A' && next <= 'F') {
+ cur = next - 'A' + 10;
+ } else {
+ // we have been sent buggy stuff. doesn't matter
+ // what we do so long as we keep going.
+ // should probably spit an error here
+ lexSkipLookahead();
+ c = lexLookahead();
+ continue;
+ }
+
+ lexSkipLookahead(); // skip A-Z0-9
+ next = lexLookahead();
+
+ cur = cur * 16;
+ // this time really just expecting 0-9A-F
+ if (next >= '0' && next <= '9') {
+ cur += next - '0';
+ } else if (next >= 'A' && next <= 'F') {
+ cur += next - 'A' + 10;
+ } else {
+ // we have been sent buggy stuff. doesn't matter
+ // what we do so long as we keep going.
+ // should probably spit an error here
+ lexSkipLookahead();
+ c = lexLookahead();
+ continue;
+ }
+
+ // got a valid escaped =. append it.
+ lexSkipLookahead(); // skip second 0-9A-F
+ lexAppendc(cur);
+ } else {
+ lexSkipLookahead(); // skip whatever we just read.
+ lexAppendc(c); // and append it.
+ }
+ c = lexLookahead();
+ }
+ lexAppendc(0);
+ return c==EOF?0:lexStr();
+}
+
+static int yylex() {
+
+ int lexmode = LEXMODE();
+ if (lexmode == L_VALUES) {
+ int c = lexGetc();
+ if (c == ';' && fieldedProp) {
+ DBG_(("db: SEMICOLON\n"));
+ lexPushLookaheadc(c);
+ handleMoreRFC822LineBreak(c);
+ lexSkipLookahead();
+ return SEMICOLON;
+ }
+ else if (strchr("\n",c)) {
+ ++mime_lineNum;
+ /* consume all line separator(s) adjacent to each other */
+ c = lexLookahead();
+ while (strchr("\n",c)) {
+ lexSkipLookahead();
+ c = lexLookahead();
+ ++mime_lineNum;
+ }
+ DBG_(("db: LINESEP\n"));
+ return LINESEP;
+ }
+ else {
+ char *p = 0;
+ lexPushLookaheadc(c);
+ if (lexWithinMode(L_BASE64)) {
+ /* get each char and convert to bin on the fly... */
+ yylval.str = NULL;
+ return lexGetDataFromBase64() ? STRING : 0;
+ }
+ else if (lexWithinMode(L_QUOTED_PRINTABLE)) {
+ p = lexGetQuotedPrintable();
+ }
+ else {
+#ifdef _SUPPORT_LINE_FOLDING
+ p = lexGet1Value();
+#else
+ p = lexGetStrUntil(";\n");
+#endif
+ }
+ if (p) {
+ DBG_(("db: STRING: '%s'\n", p));
+ yylval.str = p;
+ return STRING;
+ }
+ else return 0;
+ }
+ }
+ else {
+ /* normal mode */
+ while (1) {
+ int c = lexGetc();
+ switch(c) {
+ case ':': {
+ /* consume all line separator(s) adjacent to each other */
+ /* ignoring linesep immediately after colon. */
+ /* I don't see this in the spec, and it breaks null values -- WA
+ c = lexLookahead();
+ while (strchr("\n",c)) {
+ lexSkipLookahead();
+ c = lexLookahead();
+ ++mime_lineNum;
+ }
+ */
+ DBG_(("db: COLON\n"));
+ return COLON;
+ }
+ case ';':
+ DBG_(("db: SEMICOLON\n"));
+ return SEMICOLON;
+ case '=':
+ DBG_(("db: EQ\n"));
+ return EQ;
+ /* ignore whitespace in this mode */
+ case '\t':
+ case ' ': continue;
+ case '\n': {
+ ++mime_lineNum;
+ continue;
+ }
+ case EOF: return 0;
+ break;
+ default: {
+ lexPushLookaheadc(c);
+ if (isalnum(c)) {
+ char *t = lexGetWord();
+ yylval.str = t;
+ if (!qstricmp(t, "begin")) {
+ return match_begin_end_name(0);
+ }
+ else if (!qstricmp(t,"end")) {
+ return match_begin_end_name(1);
+ }
+ else {
+ DBG_(("db: ID '%s'\n", t));
+ return ID;
+ }
+ }
+ else {
+ /* unknow token */
+ return 0;
+ }
+ break;
+ }
+ }
+ }
+ }
+ return 0;
+ }
+
+
+/***************************************************************************/
+/*** Public Functions ****/
+/***************************************************************************/
+
+static VObject* Parse_MIMEHelper()
+ {
+ ObjStackTop = -1;
+ mime_numErrors = 0;
+ mime_lineNum = 1;
+ vObjList = 0;
+ curObj = 0;
+
+ if (yyparse() != 0)
+ return 0;
+
+ finiLex();
+ return vObjList;
+ }
+
+/*--------------------------------------------*/
+DLLEXPORT(VObject*) Parse_MIME(const char *input, unsigned long len)
+ {
+ initLex(input, len, 0);
+ return Parse_MIMEHelper();
+ }
+
+
+#if INCLUDEMFC
+
+DLLEXPORT(VObject*) Parse_MIME_FromFile(CFile *file)
+ {
+ unsigned long startPos;
+ VObject *result;
+
+ initLex(0,-1,file);
+ startPos = file->GetPosition();
+ if (!(result = Parse_MIMEHelper()))
+ file->Seek(startPos, CFile::begin);
+ return result;
+ }
+
+#else
+
+VObject* Parse_MIME_FromFile(FILE *file)
+ {
+ VObject *result;
+ long startPos;
+
+ initLex(0,(unsigned long)-1,file);
+ startPos = ftell(file);
+ if (!(result = Parse_MIMEHelper())) {
+ fseek(file,startPos,SEEK_SET);
+ }
+ return result;
+ }
+
+DLLEXPORT(VObject*) Parse_MIME_FromFileName(char *fname)
+ {
+ FILE *fp = fopen(fname,"r");
+ if (fp) {
+ VObject* o = Parse_MIME_FromFile(fp);
+ fclose(fp);
+ return o;
+ }
+ else {
+ char msg[80];
+ sprintf(msg, "can't open file '%s' for reading\n", fname);
+ mime_error_(msg);
+ return 0;
+ }
+ }
+
+#endif
+
+/*-------------------------------------*/
+
+static MimeErrorHandler mimeErrorHandler;
+
+DLLEXPORT(void) registerMimeErrorHandler(MimeErrorHandler me)
+ {
+ mimeErrorHandler = me;
+ }
+
+void mime_error(char *s)
+ {
+ char msg[256];
+ if (mimeErrorHandler) {
+ sprintf(msg,"%s at line %d", s, mime_lineNum);
+ mimeErrorHandler(msg);
+ }
+ }
+
+void mime_error_(char *s)
+ {
+ if (mimeErrorHandler) {
+ mimeErrorHandler(s);
+ }
+ }
+
#line 1241 "y.tab.c"
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
#if defined(__STDC__)
yyparse(void)
#else
yyparse()
#endif
{
register int yym, yyn, yystate;
#if YYDEBUG
register char *yys;
extern char *getenv();
if (yys = getenv("YYDEBUG"))
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
@@ -1367,195 +1372,195 @@ yyinrecovery:
#endif
yychar = (-1);
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
yyval = yyvsp[1-yym];
switch (yyn)
{
case 2:
#line 221 "backend/vcc.y"
{ addList(&vObjList, yyvsp[0].vobj); curObj = 0; }
break;
case 3:
#line 223 "backend/vcc.y"
{ addList(&vObjList, yyvsp[0].vobj); curObj = 0; }
break;
case 6:
#line 232 "backend/vcc.y"
-{
- lexPushMode(L_VCARD);
- if (!pushVObject(VCCardProp)) YYERROR;
+{
+ lexPushMode(L_VCARD);
+ if (!pushVObject(VCCardProp)) YYERROR;
}
break;
case 7:
#line 237 "backend/vcc.y"
-{
- lexPopMode(0);
- yyval.vobj = popVObject();
+{
+ lexPopMode(0);
+ yyval.vobj = popVObject();
}
break;
case 8:
#line 242 "backend/vcc.y"
-{
- lexPushMode(L_VCARD);
- if (!pushVObject(VCCardProp)) YYERROR;
+{
+ lexPushMode(L_VCARD);
+ if (!pushVObject(VCCardProp)) YYERROR;
}
break;
case 9:
#line 247 "backend/vcc.y"
-{
- lexPopMode(0);
- yyval.vobj = popVObject();
+{
+ lexPopMode(0);
+ yyval.vobj = popVObject();
}
break;
case 12:
#line 258 "backend/vcc.y"
-{
- lexPushMode(L_VALUES);
+{
+ lexPushMode(L_VALUES);
}
break;
case 13:
#line 262 "backend/vcc.y"
-{
- if (lexWithinMode(L_BASE64) || lexWithinMode(L_QUOTED_PRINTABLE))
- lexPopMode(0);
- lexPopMode(0);
+{
+ if (lexWithinMode(L_BASE64) || lexWithinMode(L_QUOTED_PRINTABLE))
+ lexPopMode(0);
+ lexPopMode(0);
}
break;
case 15:
#line 271 "backend/vcc.y"
-{
- enterProps(yyvsp[0].str);
+{
+ enterProps(yyvsp[0].str);
}
break;
case 17:
#line 276 "backend/vcc.y"
-{
- enterProps(yyvsp[0].str);
+{
+ enterProps(yyvsp[0].str);
}
break;
case 21:
#line 289 "backend/vcc.y"
-{
- enterAttr(yyvsp[0].str,0);
+{
+ enterAttr(yyvsp[0].str,0);
}
break;
case 22:
#line 293 "backend/vcc.y"
-{
- enterAttr(yyvsp[-2].str,yyvsp[0].str);
-
+{
+ enterAttr(yyvsp[-2].str,yyvsp[0].str);
+
}
break;
case 24:
#line 302 "backend/vcc.y"
{ enterValues(yyvsp[-1].str); }
break;
case 26:
#line 304 "backend/vcc.y"
{ enterValues(yyvsp[0].str); }
break;
case 28:
#line 309 "backend/vcc.y"
{ yyval.str = 0; }
break;
case 29:
#line 314 "backend/vcc.y"
{ if (!pushVObject(VCCalProp)) YYERROR; }
break;
case 30:
#line 317 "backend/vcc.y"
{ yyval.vobj = popVObject(); }
break;
case 31:
#line 319 "backend/vcc.y"
{ if (!pushVObject(VCCalProp)) YYERROR; }
break;
case 32:
#line 321 "backend/vcc.y"
{ yyval.vobj = popVObject(); }
break;
case 38:
#line 336 "backend/vcc.y"
-{
- lexPushMode(L_VEVENT);
- if (!pushVObject(VCEventProp)) YYERROR;
+{
+ lexPushMode(L_VEVENT);
+ if (!pushVObject(VCEventProp)) YYERROR;
}
break;
case 39:
#line 342 "backend/vcc.y"
-{
- lexPopMode(0);
- popVObject();
+{
+ lexPopMode(0);
+ popVObject();
}
break;
case 40:
#line 347 "backend/vcc.y"
-{
- lexPushMode(L_VEVENT);
- if (!pushVObject(VCEventProp)) YYERROR;
+{
+ lexPushMode(L_VEVENT);
+ if (!pushVObject(VCEventProp)) YYERROR;
}
break;
case 41:
#line 352 "backend/vcc.y"
-{
- lexPopMode(0);
- popVObject();
+{
+ lexPopMode(0);
+ popVObject();
}
break;
case 42:
#line 360 "backend/vcc.y"
-{
- lexPushMode(L_VTODO);
- if (!pushVObject(VCTodoProp)) YYERROR;
+{
+ lexPushMode(L_VTODO);
+ if (!pushVObject(VCTodoProp)) YYERROR;
}
break;
case 43:
#line 366 "backend/vcc.y"
-{
- lexPopMode(0);
- popVObject();
+{
+ lexPopMode(0);
+ popVObject();
}
break;
case 44:
#line 371 "backend/vcc.y"
-{
- lexPushMode(L_VTODO);
- if (!pushVObject(VCTodoProp)) YYERROR;
+{
+ lexPushMode(L_VTODO);
+ if (!pushVObject(VCTodoProp)) YYERROR;
}
break;
case 45:
#line 376 "backend/vcc.y"
-{
- lexPopMode(0);
- popVObject();
+{
+ lexPopMode(0);
+ popVObject();
}
break;
#line 1541 "y.tab.c"
}
yyssp -= yym;
yystate = *yyssp;
yyvsp -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yyssp = YYFINAL;
*++yyvsp = yyval;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{