php-src/Zend/zend_ini_scanner.l
2002-06-04 21:58:05 +00:00

229 lines
4.8 KiB
Plaintext

%{
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2002 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#define yyleng SCNG(yy_leng)
#define yytext SCNG(yy_text)
#define yytext_ptr SCNG(yy_text)
#define yyin SCNG(yy_in)
#define yyout SCNG(yy_out)
#define yy_last_accepting_state SCNG(_yy_last_accepting_state)
#define yy_last_accepting_cpos SCNG(_yy_last_accepting_cpos)
#define yy_more_flag SCNG(_yy_more_flag)
#define yy_more_len SCNG(_yy_more_len)
#include <errno.h>
#include "zend.h"
#include "zend_globals.h"
#include "zend_ini_parser.h"
#include "zend_ini_scanner.h"
#undef YYSTYPE
#define YYSTYPE zval
#define YY_DECL int ini_lex(zval *ini_lval TSRMLS_DC)
/* Globals Macros */
#define SCNG INI_SCNG
#ifdef ZTS
ZEND_API ts_rsrc_id ini_scanner_globals_id;
#else
ZEND_API zend_scanner_globals ini_scanner_globals;
#endif
static char *ini_filename;
void init_ini_scanner()
{
ini_lineno=1;
}
int zend_ini_scanner_get_lineno(TSRMLS_D)
{
return ini_lineno;
}
char *zend_ini_scanner_get_filename(TSRMLS_D)
{
return ini_filename;
}
int zend_ini_open_file_for_scanning(zend_file_handle *fh TSRMLS_DC)
{
FILE *fp;
switch (fh->type) {
case ZEND_HANDLE_FP:
fp = fh->handle.fp;
break;
case ZEND_HANDLE_FILENAME:
fp = zend_fopen(fh->filename, NULL);
fh->type = ZEND_HANDLE_FP;
break;
default:
return FAILURE;
}
init_ini_scanner();
yyin = fp;
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE TSRMLS_CC) TSRMLS_CC);
ini_filename = fh->filename;
return SUCCESS;
}
void zend_ini_close_file(zend_file_handle *fh TSRMLS_DC)
{
switch (fh->type) {
case ZEND_HANDLE_FP:
fclose(fh->handle.fp);
break;
}
}
%}
NEWLINE ("\r"|"\n"|"\r\n")
%option noyywrap
%option yylineno
%%
<INITIAL>[ ]*("true"|"on"|"yes")[ ]* {
ini_lval->value.str.val = zend_strndup("1", 1);
ini_lval->value.str.len = 1;
ini_lval->type = IS_STRING;
return CFG_TRUE;
}
<INITIAL>[ ]*("false"|"off"|"no"|"none")[ ]* {
ini_lval->value.str.val = zend_strndup("", 0);
ini_lval->value.str.len = 0;
ini_lval->type = IS_STRING;
return CFG_FALSE;
}
<INITIAL>[[][^[]+[\]][ ]*{NEWLINE}? {
/* SECTION */
/* eat trailng and spaces ] */
while (yyleng>0 && (yytext[yyleng-1]=='\n' || yytext[yyleng-1]=='\r' || yytext[yyleng-1]==']' || yytext[yyleng-1]==' ')) {
yyleng--;
yytext[yyleng]=0;
}
/* eat leading [ */
yytext++;
yyleng--;
ini_lval->value.str.val = zend_strndup(yytext, yyleng);
ini_lval->value.str.len = yyleng;
ini_lval->type = IS_STRING;
return SECTION;
}
<INITIAL>["][^\n\r"]*["] {
/* ENCAPSULATED TC_STRING */
/* eat trailing " */
yytext[yyleng-1]=0;
/* eat leading " */
yytext++;
ini_lval->value.str.val = zend_strndup(yytext, yyleng - 2);
ini_lval->value.str.len = yyleng - 2;
ini_lval->type = IS_STRING;
return TC_ENCAPSULATED_STRING;
}
<INITIAL>[&|~()!] {
return yytext[0];
}
<INITIAL>[^=\n\r\t;|&~()!"]+ {
/* STRING */
register int i;
/* eat trailing whitespace */
for (i=yyleng-1; i>=0; i--) {
if (yytext[i]==' ' || yytext[i]=='\t') {
yytext[i]=0;
yyleng--;
} else {
break;
}
}
/* eat leading whitespace */
while (yytext[0]) {
if (yytext[0]==' ' || yytext[0]=='\t') {
yytext++;
yyleng--;
} else {
break;
}
}
if (yyleng!=0) {
ini_lval->value.str.val = zend_strndup(yytext, yyleng);
ini_lval->value.str.len = yyleng;
ini_lval->type = IS_STRING;
return TC_STRING;
} else {
/* whitespace */
}
}
<INITIAL>[=\n] {
return yytext[0];
}
<INITIAL>{NEWLINE} {
return '\n';
}
<INITIAL>[;][^\r\n]*{NEWLINE}? {
/* comment */
return '\n';
}
<INITIAL>[ \t] {
/* eat whitespace */
}
<INITIAL>. {
#if DEBUG
php_error(E_NOTICE,"Unexpected character on line %d: '%s' (ASCII %d)\n", yylineno, yytext, yytext[0]);
#endif
}
<<EOF>> {
yy_delete_buffer(YY_CURRENT_BUFFER TSRMLS_CC);
yyterminate();
}