1 files changed, 170 insertions, 0 deletions

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;
+
+
+}
+