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diff --git a/libical/src/libical/icalyacc.y b/libical/src/libical/icalyacc.y new file mode 100644 index 0000000..4f53d84 --- a/dev/null +++ b/libical/src/libical/icalyacc.y @@ -0,0 +1,404 @@ +%{ +/* -*- Mode: C -*- + ====================================================================== + FILE: icalitip.y + CREATOR: eric 10 June 1999 + + DESCRIPTION: + + $Id$ + $Locker$ + + (C) COPYRIGHT 1999 Eric Busboom + http://www.softwarestudio.org + + The contents of this file are subject to the Mozilla Public License + Version 1.0 (the "License"); you may not use this file except in + compliance with the License. You may obtain a copy of the License at + http://www.mozilla.org/MPL/ + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and + limitations under the License. + + The original author is Eric Busboom + The original code is icalitip.y + + + + =======================================================================*/ + +#include <stdlib.h> +#include <string.h> /* for strdup() */ +#include "icalparser.h" +#include "pvl.h" + +icalvalue *icalparser_yy_value; /* Current Value */ + +void ical_yyerror(char* s); +void icalparser_clear_flex_input(); +int ical_yy_lex(void); + +/* Globals for UTCOFFSET values */ +int utc; +int utc_b; +int utcsign; + +/* Globals for DURATION values */ +struct icaldurationtype duration; + +/* Globals for TRIGGER values */ +struct icaltriggertype trigger; + +void copy_list(short* array, size_t size); +void add_prop(icalproperty_kind); +void icalparser_fill_date(struct tm* t, char* dstr); +void icalparser_fill_time(struct tm* t, char* tstr); +void set_value_type(icalvalue_kind kind); +void set_parser_value_state(); +struct icaltimetype fill_datetime(char* d, char* t); +void ical_yy_error(char *s); /* Don't know why I need this.... */ +int yylex(void); /* Or this. */ + + + +/* Set the state of the lexer so it will interpret values ( iCAL + VALUEs, that is, ) correctly. */ + +%} + +%union { + float v_float; + int v_int; + char* v_string; +} + + + /* Renaming hack */ + +/* +#define yymaxdepth ical_yy_maxdepth +#define yyparse ical_yy_parse +#define yyerror ical_yy_error +#define yylval ical_yy_lval +#define yychar ical_yy_char +#define yydebug ical_yy_debug +#define yypact ical_yy_pact +#define yyr1 ical_yy_r1 +#define yyr2 ical_yy_r2 +#define yydef ical_yy_def +#define yychk ical_yy_chk +#define yypgo ical_yy_pgo +#define yyact ical_yy_act +#define yyexca ical_yy_exca +#define yyerrflag ical_yy_errflag +#define yynerrs ical_yy_nerrs +#define yyps ical_yy_ps +#define yypv ical_yy_pv +#define yys ical_yy_s +#define yy_yys ical_yy_yys +#define yystate ical_yy_state +#define yytmp ical_yy_tmp +#define yyv ical_yy_v +#define yy_yyv ical_yy_yyv +#define yyval ical_yy_val +#define yylloc ical_yy_lloc +#define yyreds ical_yy_reds +#define yytoks ical_yy_toks +#define yylhs ical_yy_yylhs +#define yylen ical_yy_yylen +#define yydefred ical_yy_yydefred +#define yydgoto ical_yy_yydgoto +#define yydefred ical_yy_yydefred +#define yydgoto ical_yy_yydgoto +#define yysindex ical_yy_yysindex +#define yyrindex ical_yy_yyrindex +#define yygindex ical_yy_yygindex +#define yytable ical_yy_yytable +#define yycheck ical_yy_yycheck +#define yyname ical_yy_yyname +#define yyrule ical_yy_yyrule +#define yy_scan_bytes ical_yy_scan_bytes +#define yy_scan_string ical_yy_scan_string +#define yy_scan_buffer ical_yy_scan_buffer +*/ + +/* These are redefined with the -P option to flex */ +/* +#define yy_create_buffer ical_yy_create_buffer +#define yy_delete_buffer ical_yy_delete_buffer +#define yy_flex_debug ical_yy_flex_debug +#define yy_init_buffer ical_yy_init_buffer +#define yy_flush_buffer ical_yy_flush_buffer +#define yy_load_buffer_state ical_yy_load_buffer_state +#define yy_switch_to_buffer ical_yy_switch_to_buffer +#define yyin ical_yyin +#define yyleng ical_yyleng +#define yylex ical_yylex +#define yylineno ical_yylineno +#define yyout ical_yyout +#define yyrestart ical_yyrestart +#define yytext ical_yytext +#define yywrap ical_yywrap +*/ + + +%token <v_string> DIGITS +%token <v_int> INTNUMBER +%token <v_float> FLOATNUMBER +%token <v_string> STRING +%token EOL EQUALS CHARACTER COLON COMMA SEMICOLON MINUS TIMESEPERATOR + +%token TRUE FALSE + +%token FREQ BYDAY BYHOUR BYMINUTE BYMONTH BYMONTHDAY BYSECOND BYSETPOS BYWEEKNO +%token BYYEARDAY DAILY MINUTELY MONTHLY SECONDLY WEEKLY HOURLY YEARLY +%token INTERVAL COUNT UNTIL WKST MO SA SU TU WE TH FR + +%token BIT8 ACCEPTED ADD AUDIO BASE64 BINARY BOOLEAN BUSY BUSYTENTATIVE +%token BUSYUNAVAILABLE CALADDRESS CANCEL CANCELLED CHAIR CHILD COMPLETED +%token CONFIDENTIAL CONFIRMED COUNTER DATE DATETIME DECLINECOUNTER DECLINED +%token DELEGATED DISPLAY DRAFT DURATION EMAIL END FINAL FLOAT FREE GREGORIAN +%token GROUP INDIVIDUAL INPROCESS INTEGER NEEDSACTION NONPARTICIPANT +%token OPAQUE OPTPARTICIPANT PARENT PERIOD PRIVATE PROCEDURE PUBLIC PUBLISH +%token RECUR REFRESH REPLY REQPARTICIPANT REQUEST RESOURCE ROOM SIBLING +%token START TENTATIVE TEXT THISANDFUTURE THISANDPRIOR TIME TRANSPAENT +%token UNKNOWN UTCOFFSET XNAME + +%token ALTREP CN CUTYPE DAYLIGHT DIR ENCODING EVENT FBTYPE FMTTYPE LANGUAGE +%token MEMBER PARTSTAT RANGE RELATED RELTYPE ROLE RSVP SENTBY STANDARD URI + +%token TIME_CHAR UTC_CHAR + + +%% + +value: + date_value + | datetime_value + | duration_value + | period_value + | utcoffset_value + | error { + icalparser_yy_value = 0; + icalparser_clear_flex_input(); + yyclearin; + } + + +date_value: DIGITS + { + struct icaltimetype stm; + + stm = fill_datetime($1,0); + + stm.hour = -1; + stm.minute = -1; + stm.second = -1; + stm.is_utc = 0; + stm.is_date = 1; + + icalparser_yy_value = icalvalue_new_date(stm); + } + +utc_char: + /*empty*/ {utc = 0;} + | UTC_CHAR {utc = 1;} + +/* This is used in the period_value, where there may be two utc characters per rule. */ +utc_char_b: + /*empty*/ {utc_b = 0;} + | UTC_CHAR {utc_b = 1;} + +datetime_value: + DIGITS TIME_CHAR DIGITS utc_char + { + struct icaltimetype stm; + stm = fill_datetime($1, $3); + stm.is_utc = utc; + stm.is_date = 0; + + icalparser_yy_value = + icalvalue_new_datetime(stm); + } + + +/* Duration */ + + +dur_date: dur_day + | dur_day dur_time + +dur_week: DIGITS 'W' + { + duration.weeks = atoi($1); + } + +dur_time: TIME_CHAR dur_hour + { + } + | TIME_CHAR dur_minute + { + } + | TIME_CHAR dur_second + { + } + +dur_hour: DIGITS 'H' + { + duration.hours = atoi($1); + } + | DIGITS 'H' dur_minute + { + duration.hours = atoi($1); + } + +dur_minute: DIGITS 'M' + { + duration.minutes = atoi($1); + } + | DIGITS 'M' dur_second + { + duration.minutes = atoi($1); + } + +dur_second: DIGITS 'S' + { + duration.seconds = atoi($1); + } + +dur_day: DIGITS 'D' + { + duration.days = atoi($1); + } + +dur_prefix: /* empty */ + { + duration.is_neg = 0; + } + | '+' + { + duration.is_neg = 0; + } + | '-' + { + duration.is_neg = 1; + } + +duration_value: dur_prefix 'P' dur_date + { + icalparser_yy_value = icalvalue_new_duration(duration); + memset(&duration,0, sizeof(duration)); + } + | dur_prefix 'P' dur_time + { + icalparser_yy_value = icalvalue_new_duration(duration); + memset(&duration,0, sizeof(duration)); + } + | dur_prefix 'P' dur_week + { + icalparser_yy_value = icalvalue_new_duration(duration); + memset(&duration,0, sizeof(duration)); + } + + +/* Period */ + +period_value: DIGITS TIME_CHAR DIGITS utc_char '/' DIGITS TIME_CHAR DIGITS utc_char_b + { + struct icalperiodtype p; + + p.start = fill_datetime($1,$3); + p.start.is_utc = utc; + p.start.is_date = 0; + + + p.end = fill_datetime($6,$8); + p.end.is_utc = utc_b; + p.end.is_date = 0; + + p.duration.days = -1; + p.duration.weeks = -1; + p.duration.hours = -1; + p.duration.minutes = -1; + p.duration.seconds = -1; + + icalparser_yy_value = icalvalue_new_period(p); + } + | DIGITS TIME_CHAR DIGITS utc_char '/' duration_value + { + struct icalperiodtype p; + + p.start = fill_datetime($1,$3); + p.start.is_utc = utc; + p.start.is_date = 0; + + p.end.year = -1; + p.end.month = -1; + p.end.day = -1; + p.end.hour = -1; + p.end.minute = -1; + p.end.second = -1; + + /* The duration_value rule setes the global 'duration' + variable, but it also creates a new value in + icalparser_yy_value. So, free that, then copy + 'duration' into the icalperiodtype struct. */ + + p.duration = icalvalue_get_duration(icalparser_yy_value); + icalvalue_free(icalparser_yy_value); + icalparser_yy_value = 0; + + icalparser_yy_value = icalvalue_new_period(p); + + } + + +trigger: + + + +/* UTC Offset */ + +plusminus: '+' { utcsign = 1; } + | '-' { utcsign = -1; } + +utcoffset_value: + plusminus INTNUMBER INTNUMBER + { + icalparser_yy_value = icalvalue_new_utcoffset( utcsign * ($2*3600) + ($3*60) ); + } + + | plusminus INTNUMBER INTNUMBER INTNUMBER + { + icalparser_yy_value = icalvalue_new_utcoffset(utcsign * ($2*3600) + ($3*60) +($4)); + } + +%% + +struct icaltimetype fill_datetime(char* datestr, char* timestr) +{ + struct icaltimetype stm; + + memset(&stm,0,sizeof(stm)); + + if (datestr != 0){ + sscanf(datestr,"%4d%2d%2d",&(stm.year), &(stm.month), + &(stm.day)); + } + + if (timestr != 0){ + sscanf(timestr,"%2d%2d%2d", &(stm.hour), &(stm.minute), + &(stm.second)); + } + + return stm; + +} + +void ical_yyerror(char* s) +{ + /*fprintf(stderr,"Parse error \'%s\'\n", s);*/ +} + |