Diffstat (limited to 'libical/src/libical/icallexer.l') (more/less context) (ignore whitespace changes)
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diff --git a/libical/src/libical/icallexer.l b/libical/src/libical/icallexer.l new file mode 100644 index 0000000..53b396a --- a/dev/null +++ b/libical/src/libical/icallexer.l @@ -0,0 +1,170 @@ +%{ +/* -*- Mode: C -*- + ====================================================================== + FILE: icallexer.l + 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 "icalparser.h" +#include "icalenums.h" +#include "icalmemory.h" +#include "assert.h" +#include "icalyacc.h" + +#include <string.h> /* For strdup() */ +#include <stdlib.h> +#include <math.h> + +int icalparser_flex_input(char* buf, int max_size); +void icalparser_clear_flex_input(void); + + +#define ICAL_MAX_STR_CONST 1024 + +#undef YY_INPUT +#define YY_INPUT(b,r,ms) ( r= icalparser_flex_input(b,ms)) +#undef yywrap + +#undef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) ical_yyerror(msg) + +icalvalue_kind value_kind=ICAL_NO_VALUE; +void set_parser_value_state(icalvalue_kind kind); +extern int yydebug; + +void ical_yyerror(char *s); + +void init_str_buf(void); + +int last_state; + +char *str_buf; +char *str_buf_p; +size_t buf_sz; /* = ICAL_MAX_STR_CONST;*/ + +/* Define routines that were not propertly defined because of the +renaming hack applied in icalyacc.y */ +YY_BUFFER_STATE ical_yy_scan_buffer ( char *base, yy_size_t size ); +YY_BUFFER_STATE ical_yy_scan_string ( yyconst char *yy_str ); +YY_BUFFER_STATE ical_yy_scan_bytes ( yyconst char *bytes, int len ); + +%} + +crlf \x0D?\x0A +space [ ] +qsafechar [^\x00-\x1F\"] +safechar [^\x00-\x1F\"\:\;\,] +tsafechar [\x20-\x21\x23-\x2B\x2D-\x39\x3C-\x5B\x5D-\x7E] +valuechar [^\x00-\x08\x10-\x1F] +xname X-[a-zA-Z0-9\-]+ +xname2 [a-zA-Z0-9\-\ ] +paramtext {safechar}+ +value {valuechar}+ +quotedstring \"{qsafechar}+\" +digit [0-9] + +%array /* Make yytext an array. Slow, but handy. HACK */ + +%option caseless + +%s quoted_string +%s binary_value boolean_value uri_value time_value duration_value number_value period_value recur_value text_value utcoffset_value +%s enum_param_value string_param_value stringlist_param_value keyword line_start component seperator parameter end_of_value paramtext + + + +%% + +%{ +%} + + + +<time_value>{ +{digit}+ { ical_yylval.v_string =icalmemory_tmp_copy(yytext) ; + return DIGITS; } +T { return TIME_CHAR; } +Z { return UTC_CHAR; } +[\/\+\-PWHMSD] { return yytext[0]; } +{crlf} { return EOL;} + +} + +<utcoffset_value>{ +{crlf} { return EOL;} +\-|\+ { return yytext[0]; } +{digit}{digit} { ical_yylval.v_int=atoi(yytext); return INTNUMBER; } + +} + +<enum_param_value>{ +. { return CHARACTER; } +{crlf} { return EOL;} + +} + +<seperator>{ +, { BEGIN(last_state); return COMMA; } +} + + +%% + +int yywrap() +{ + return 1; +} + + +void set_parser_value_state(icalvalue_kind kind) +{ + + switch (kind){ + + case ICAL_UTCOFFSET_VALUE: + {BEGIN(utcoffset_value);break;} + + case ICAL_DATETIMEPERIOD_VALUE: + case ICAL_DURATION_VALUE: + case ICAL_PERIOD_VALUE: + {BEGIN(time_value);break;} + + default: + { + assert(1==0); + } + } +} + +void init_str_buf(void) +{ + str_buf = icalmemory_tmp_buffer(ICAL_MAX_STR_CONST); + str_buf_p = str_buf; + buf_sz = ICAL_MAX_STR_CONST; + + +} + |