| -rw-r--r-- | library/backend/vcc_yacc.cpp | 1545 |
1 files changed, 1545 insertions, 0 deletions
diff --git a/library/backend/vcc_yacc.cpp b/library/backend/vcc_yacc.cpp new file mode 100644 index 0000000..cb24631 --- a/dev/null +++ b/library/backend/vcc_yacc.cpp @@ -0,0 +1,1545 @@ +#ifndef lint +static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; +#endif +#define YYBYACC 1 +#define YYMAJOR 1 +#define YYMINOR 9 +#define yyclearin (yychar=(-1)) +#define yyerrok (yyerrflag=0) +#define YYRECOVERING (yyerrflag!=0) +#define YYPREFIX "yy" +#line 1 "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.
+*/
+
+#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_"
+
+
+#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>
+#include <qpe/qfiledirect_p.h> +#else +#include "vobject_p.h"
+#include "qfiledirect_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);
+void mime_error_(char *s);
+
+#line 185 "vcc.y" +typedef union {
+ char *str;
+ VObject *vobj;
+ } YYSTYPE; +#line 196 "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 yylhs[] = { -1, + 0, 6, 6, 5, 5, 8, 3, 9, 3, 7, + 7, 13, 10, 10, 15, 11, 11, 14, 14, 16, + 17, 17, 1, 18, 12, 12, 2, 2, 20, 4, + 21, 4, 19, 19, 22, 22, 22, 25, 23, 26, + 23, 27, 24, 28, 24, +}; +short yylen[] = { 2, + 1, 2, 1, 1, 1, 0, 4, 0, 3, 2, + 1, 0, 5, 1, 0, 3, 1, 2, 1, 2, + 1, 3, 1, 0, 4, 1, 1, 0, 0, 4, + 0, 3, 2, 1, 1, 1, 1, 0, 4, 0, + 3, 0, 4, 0, 3, +}; +short yydefred[] = { 0, + 0, 0, 0, 4, 5, 3, 0, 0, 0, 0, + 0, 2, 14, 23, 0, 0, 11, 0, 9, 0, + 0, 0, 0, 34, 35, 36, 32, 0, 7, 10, + 12, 0, 0, 0, 0, 30, 33, 0, 0, 19, + 0, 0, 41, 0, 45, 0, 20, 18, 27, 0, + 0, 39, 43, 0, 24, 13, 22, 0, 25, +}; +short yydgoto[] = { 3, + 15, 50, 4, 5, 6, 7, 22, 8, 9, 17, + 18, 51, 41, 39, 28, 40, 47, 58, 23, 10, + 11, 24, 25, 26, 32, 33, 34, 35, +}; +short yysindex[] = { -262, + 0, 0, 0, 0, 0, 0, -262, -252, -219, -249, + -256, 0, 0, 0, 0, -227, 0, -242, 0, 0, + 0, -252, -254, 0, 0, 0, 0, -208, 0, 0, + 0, -252, -228, -252, -213, 0, 0, -212, -208, 0, + -214, -233, 0, -224, 0, -195, 0, 0, 0, -197, + -199, 0, 0, -212, 0, 0, 0, -214, 0, +}; +short yyrindex[] = { 0, + -222, -238, 0, 0, 0, 0, 65, 0, 0, 0, + 0, 0, 0, 0, -215, 0, 0, 0, 0, -220, + -218, -260, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, -192, 0, + -250, 0, 0, 0, 0, -202, 0, 0, 0, -196, + 0, 0, 0, 0, 0, 0, 0, -250, 0, +}; +short yygindex[] = { 0, + 3, 0, 0, 0, 61, 0, -7, 0, 0, -16, + 0, 11, 0, 0, 0, 31, 0, 0, 0, 0, + 0, 48, 0, 0, 0, 0, 0, 0, +}; +#define YYTABLESIZE 71 +short yytable[] = { 30, + 16, 13, 1, 13, 2, 30, 13, 37, 37, 28, + 37, 27, 28, 36, 20, 31, 21, 29, 14, 20, + 14, 21, 13, 14, 42, 30, 44, 30, 13, 31, + 29, 13, 29, 6, 29, 38, 52, 42, 29, 14, + 46, 43, 17, 8, 15, 14, 19, 53, 14, 40, + 6, 38, 38, 44, 42, 21, 57, 21, 45, 49, + 14, 54, 55, 56, 1, 16, 26, 12, 59, 48, + 37, +}; +short yycheck[] = { 16, + 8, 256, 265, 256, 267, 22, 256, 268, 269, 260, + 271, 268, 263, 268, 269, 258, 271, 256, 273, 269, + 273, 271, 256, 273, 32, 42, 34, 44, 256, 268, + 269, 256, 271, 256, 273, 256, 270, 256, 266, 273, + 38, 270, 258, 266, 260, 273, 266, 272, 273, 270, + 273, 260, 273, 272, 273, 258, 54, 260, 272, 274, + 273, 257, 260, 263, 0, 258, 263, 7, 58, 39, + 23, +}; +#define YYFINAL 3 +#ifndef YYDEBUG +#define YYDEBUG 0 +#endif +#define YYMAXTOKEN 274 +#if YYDEBUG +char *yyname[] = { +"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"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","STRING", +}; +char *yyrule[] = { +"$accept : mime", +"mime : vobjects", +"vobjects : vobjects vobject", +"vobjects : vobject", +"vobject : vcard", +"vobject : vcal", +"$$1 :", +"vcard : BEGIN_VCARD $$1 items END_VCARD", +"$$2 :", +"vcard : BEGIN_VCARD $$2 END_VCARD", +"items : items item", +"items : item", +"$$3 :", +"item : prop COLON $$3 values LINESEP", +"item : error", +"$$4 :", +"prop : name $$4 attr_params", +"prop : name", +"attr_params : attr_params attr_param", +"attr_params : attr_param", +"attr_param : SEMICOLON attr", +"attr : name", +"attr : name EQ name", +"name : ID", +"$$5 :", +"values : value SEMICOLON $$5 values", +"values : value", +"value : STRING", +"value :", +"$$6 :", +"vcal : BEGIN_VCAL $$6 calitems END_VCAL", +"$$7 :", +"vcal : BEGIN_VCAL $$7 END_VCAL", +"calitems : calitems calitem", +"calitems : calitem", +"calitem : eventitem", +"calitem : todoitem", +"calitem : items", +"$$8 :", +"eventitem : BEGIN_VEVENT $$8 items END_VEVENT", +"$$9 :", +"eventitem : BEGIN_VEVENT $$9 END_VEVENT", +"$$10 :", +"todoitem : BEGIN_VTODO $$10 items END_VTODO", +"$$11 :", +"todoitem : BEGIN_VTODO $$11 END_VTODO", +}; +#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 378 "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;
+ 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 char 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 != ';') {
+ if (c == '\\' ) {
+ int a;
+ lexSkipLookahead();
+ a = lexLookahead();
+ if ( a != ';' ) {
+ lexAppendc('\\');
+ } else {
+ lexAppendc( ';' );
+ lexSkipLookahead();
+ }
+ } 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 char * 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();
+ 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 if ((c == ' ') || (c == '\t')) {
+ continue;
+ } 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' && lexLookahead() == '\n') {
+ ++mime_lineNum;
+ break;
+ }
+ c = lexGetc();
+ }
+ }
+ return NULL;
+ }
+ 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 0;
+ }
+
+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()
+ {
+ char cur;
+
+ lexClearToken();
+ do {
+ cur = lexGetc();
+ switch (cur) {
+ case '=': {
+ int c = 0;
+ int next[2];
+ int i;
+ for (i = 0; i < 2; i++) {
+ next[i] = lexGetc();
+ if (next[i] >= '0' && next[i] <= '9')
+ c = c * 16 + next[i] - '0';
+ else if (next[i] >= 'A' && next[i] <= 'F')
+ c = c * 16 + next[i] - 'A' + 10;
+ else
+ break;
+ }
+ if (i == 0) {
+ /* single '=' follow by LINESEP is continuation sign? */
+ if (next[0] == '\n') {
+ ++mime_lineNum;
+ }
+ else {
+ lexPushLookaheadc('=');
+ goto EndString;
+ }
+ }
+ else if (i == 1) {
+ lexPushLookaheadc(next[1]);
+ lexPushLookaheadc(next[0]);
+ lexAppendc('=');
+ } else {
+ lexAppendc(c);
+ }
+ break;
+ } /* '=' */
+ case '\n': {
+ lexPushLookaheadc('\n');
+ goto EndString;
+ }
+ case (char)EOF:
+ break;
+ default:
+ lexAppendc(cur);
+ break;
+ } /* switch */
+ } while (cur != (char)EOF);
+
+EndString:
+ lexAppendc(0);
+ return lexStr();
+ } /* LexQuotedPrintable */
+
+static int yylex() {
+
+ int lexmode = LEXMODE();
+ if (lexmode == L_VALUES) {
+ int c = lexGetc();
+ if (c == ';') {
+ 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... */
+ p = lexGetDataFromBase64();
+ yylval.str = p;
+ return STRING;
+ }
+ 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. */
+ 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)
+ {
+ QFileDirect f( fname );
+ if ( !f.open( IO_ReadOnly ) ) {
+ qWarning("Unable to open mime for reading %s", fname);
+ return 0;
+ }
+
+ return Parse_MIME_FromFile( f.directHandle() );
+ }
+
+#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 1192 "y.tab.c" +#define YYABORT goto yyabort +#define YYREJECT goto yyabort +#define YYACCEPT goto yyaccept +#define YYERROR goto yyerrlab +int +yyparse() +{ + 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 + + yynerrs = 0; + yyerrflag = 0; + yychar = (-1); + + yyssp = yyss; + yyvsp = yyvs; + *yyssp = yystate = 0; + +yyloop: + if (yyn = yydefred[yystate]) goto yyreduce; + if (yychar < 0) + { + if ((yychar = yylex()) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, reading %d (%s)\n", + YYPREFIX, yystate, yychar, yys); + } +#endif + } + if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, shifting to state %d\n", + YYPREFIX, yystate, yytable[yyn]); +#endif + if (yyssp >= yyss + yystacksize - 1) + { + goto yyoverflow; + } + *++yyssp = yystate = yytable[yyn]; + *++yyvsp = yylval; + yychar = (-1); + if (yyerrflag > 0) --yyerrflag; + goto yyloop; + } + if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { + yyn = yytable[yyn]; + goto yyreduce; + } + if (yyerrflag) goto yyinrecovery; +#ifdef lint + goto yynewerror; +#endif +yynewerror: + yyerror("syntax error"); +#ifdef lint + goto yyerrlab; +#endif +yyerrlab: + ++yynerrs; +yyinrecovery: + if (yyerrflag < 3) + { + yyerrflag = 3; + for (;;) + { + if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, error recovery shifting\ + to state %d\n", YYPREFIX, *yyssp, yytable[yyn]); +#endif + if (yyssp >= yyss + yystacksize - 1) + { + goto yyoverflow; + } + *++yyssp = yystate = yytable[yyn]; + *++yyvsp = yylval; + goto yyloop; + } + else + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: error recovery discarding state %d\n", + YYPREFIX, *yyssp); +#endif + if (yyssp <= yyss) goto yyabort; + --yyssp; + --yyvsp; + } + } + } + else + { + if (yychar == 0) goto yyabort; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, error recovery discards token %d (%s)\n", + YYPREFIX, yystate, yychar, yys); + } +#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 217 "vcc.y" +{ addList(&vObjList, yyvsp[0].vobj); curObj = 0; } +break; +case 3: +#line 219 "vcc.y" +{ addList(&vObjList, yyvsp[0].vobj); curObj = 0; } +break; +case 6: +#line 228 "vcc.y" +{
+ lexPushMode(L_VCARD);
+ if (!pushVObject(VCCardProp)) YYERROR;
+ } +break; +case 7: +#line 233 "vcc.y" +{
+ lexPopMode(0);
+ yyval.vobj = popVObject();
+ } +break; +case 8: +#line 238 "vcc.y" +{
+ lexPushMode(L_VCARD);
+ if (!pushVObject(VCCardProp)) YYERROR;
+ } +break; +case 9: +#line 243 "vcc.y" +{
+ lexPopMode(0);
+ yyval.vobj = popVObject();
+ } +break; +case 12: +#line 254 "vcc.y" +{
+ lexPushMode(L_VALUES);
+ } +break; +case 13: +#line 258 "vcc.y" +{
+ if (lexWithinMode(L_BASE64) || lexWithinMode(L_QUOTED_PRINTABLE))
+ lexPopMode(0);
+ lexPopMode(0);
+ } +break; +case 15: +#line 267 "vcc.y" +{
+ enterProps(yyvsp[0].str);
+ } +break; +case 17: +#line 272 "vcc.y" +{
+ enterProps(yyvsp[0].str);
+ } +break; +case 21: +#line 285 "vcc.y" +{
+ enterAttr(yyvsp[0].str,0);
+ } +break; +case 22: +#line 289 "vcc.y" +{
+ enterAttr(yyvsp[-2].str,yyvsp[0].str);
+
+ } +break; +case 24: +#line 298 "vcc.y" +{ enterValues(yyvsp[-1].str); } +break; +case 26: +#line 300 "vcc.y" +{ enterValues(yyvsp[0].str); } +break; +case 28: +#line 305 "vcc.y" +{ yyval.str = 0; } +break; +case 29: +#line 310 "vcc.y" +{ if (!pushVObject(VCCalProp)) YYERROR; } +break; +case 30: +#line 313 "vcc.y" +{ yyval.vobj = popVObject(); } +break; +case 31: +#line 315 "vcc.y" +{ if (!pushVObject(VCCalProp)) YYERROR; } +break; +case 32: +#line 317 "vcc.y" +{ yyval.vobj = popVObject(); } +break; +case 38: +#line 332 "vcc.y" +{
+ lexPushMode(L_VEVENT);
+ if (!pushVObject(VCEventProp)) YYERROR;
+ } +break; +case 39: +#line 338 "vcc.y" +{
+ lexPopMode(0);
+ popVObject();
+ } +break; +case 40: +#line 343 "vcc.y" +{
+ lexPushMode(L_VEVENT);
+ if (!pushVObject(VCEventProp)) YYERROR;
+ } +break; +case 41: +#line 348 "vcc.y" +{
+ lexPopMode(0);
+ popVObject();
+ } +break; +case 42: +#line 356 "vcc.y" +{
+ lexPushMode(L_VTODO);
+ if (!pushVObject(VCTodoProp)) YYERROR;
+ } +break; +case 43: +#line 362 "vcc.y" +{
+ lexPopMode(0);
+ popVObject();
+ } +break; +case 44: +#line 367 "vcc.y" +{
+ lexPushMode(L_VTODO);
+ if (!pushVObject(VCTodoProp)) YYERROR;
+ } +break; +case 45: +#line 372 "vcc.y" +{
+ lexPopMode(0);
+ popVObject();
+ } +break; +#line 1492 "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) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, reading %d (%s)\n", + YYPREFIX, YYFINAL, yychar, yys); + } +#endif + } + if (yychar == 0) goto yyaccept; + goto yyloop; + } + if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yystate) + yystate = yytable[yyn]; + else + yystate = yydgoto[yym]; +#if YYDEBUG + if (yydebug) + printf("%sdebug: after reduction, shifting from state %d \ +to state %d\n", YYPREFIX, *yyssp, yystate); +#endif + if (yyssp >= yyss + yystacksize - 1) + { + goto yyoverflow; + } + *++yyssp = yystate; + *++yyvsp = yyval; + goto yyloop; +yyoverflow: + yyerror("yacc stack overflow"); +yyabort: + return (1); +yyaccept: + return (0); +} |