diff options
Diffstat (limited to 'ext/standard/url_scanner.re')
| -rw-r--r-- | ext/standard/url_scanner.re | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/ext/standard/url_scanner.re b/ext/standard/url_scanner.re deleted file mode 100644 index 2939582b68..0000000000 --- a/ext/standard/url_scanner.re +++ /dev/null @@ -1,198 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP version 4.0 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997, 1998, 1999 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.0 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_0.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Author: Sascha Schumann <sascha@schumann.cx> | - +----------------------------------------------------------------------+ - */ -/* $Id$ */ - -#include "php.h" -#include "snprintf.h" - -#ifdef TRANS_SID - -#include <sys/types.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#undef MIN -#define MIN(a,b) (a)<(b)?(a):(b) - -#define YYCTYPE char -#define YYCURSOR state->crs -#define YYLIMIT state->end -#define YYMARKER state->ptr -#define YYFILL(n) - -typedef enum { - INITIAL, - REF -} state; - -typedef struct { - state state; - const char *crs; - const char *end; - const char *ptr; - const char *start; - char *target; - size_t targetsize; - const char *data; -} lexdata; - -#define FINISH { catchup(state); goto finish; } - -#define BEGIN(x) \ - switch(state->state) { \ - case INITIAL: \ - catchup(state); \ - break; \ - case REF: \ - screw_url(state); \ - break; \ - } \ - state->state = x; \ - state->start = state->crs; \ - goto nextiter - -#define ATTACH(s, n) \ -{ \ - size_t _newlen = state->targetsize + n; \ - state->target = realloc(state->target, _newlen + 1); \ - memcpy(state->target + state->targetsize, s, n); \ - state->targetsize = _newlen; \ - state->target[_newlen] = '\0'; \ -} - -#define URLLEN 512 - -static void screw_url(lexdata *state) -{ - int len; - char buf[URLLEN]; - char url[URLLEN]; - const char *p, *q; - char c; - - /* search outer limits for URI */ - for(p = state->start; p < state->crs && (c = *p); p++) - if(c != '"' && c != ' ') break; - - /* - * we look at q-1, because q points to the character behind the last - * character we are going to copy and the decision is based on that last - * character - */ - - for(q = state->crs; q > state->start && (c = *(q-1)); q--) - if(c != '"' && c != ' ') break; - - /* attach beginning */ - - ATTACH(state->start, p-state->start); - - /* copy old URI */ - len = MIN(q - p, sizeof(buf) - 1); - memcpy(url, p, len); - url[len] = '\0'; - - /* construct new URI */ - len = snprintf(buf, sizeof(buf), "%s%c%s", url, - memchr(state->start, '?', len) ? '&' : '?', - state->data); - - /* attach new URI */ - ATTACH(buf, len); - - /* attach rest */ - ATTACH(q, state->crs - q); -} - -static void catchup(lexdata *state) -{ - ATTACH(state->start, (state->crs - state->start)); -} - -/*!re2c -all = [\001-\377]; -eof = [\000]; -ws = [ \t\v\f]; -A = [aA]; -C = [cC]; -E = [eE]; -F = [fF]; -H = [hH]; -I = [iI]; -M = [mM]; -N = [nN]; -O = [oO]; -R = [rR]; -S = [sS]; -T = [tT]; -*/ - -static void url_scanner(lexdata *state) -{ - while(state->crs < state->end) { - - switch(state->state) { - case INITIAL: -/*!re2c - "<" F R A M E ws+ S R C ws* "=" ws* { BEGIN(REF); } - "<" A ws+ H R E F ws* "=" ws* { BEGIN(REF); } - "<" F O R M ws+ A C T I O N ws* "=" ws* { BEGIN(REF); } - "<" A R E A ws+ H R E F ws* "=" ws* { BEGIN(REF); } - (all\[<])+ { BEGIN(INITIAL); } - eof { FINISH; } -*/ - break; - case REF: -/*!re2c - ["]? ws* (all\[> \t\v\f":#])* ws* ["]? { BEGIN(INITIAL); } - ["]? ws* (all\[> \t\v\f":#])* /[#] { BEGIN(INITIAL); } - ["]? ws* (all\[> \t\v\f"#])* ws* ["]? { - /* don't modify absolute links */ - state->state = INITIAL; BEGIN(INITIAL); - } -*/ - break; - } -nextiter: - ; - } -finish: - ; -} - -char *url_adapt(const char *src, size_t srclen, const char *data, size_t *newlen) -{ - lexdata state; - - state.state = INITIAL; - state.start = state.crs = src; - state.end = src + srclen; - state.ptr = NULL; - state.target = NULL; - state.targetsize = 0; - state.data = data; - - url_scanner(&state); - - if(newlen) *newlen = state.targetsize; - - return state.target; -} - -#endif |