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tag: php-4.0b4
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2000 Andi Gutmans, Zeev Suraski |
+----------------------------------------------------------------------+
| This source file is subject to version 0.91 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/0_91.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. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/


#include "zend.h"
#include "zend-parser.h"
#include "zend_compile.h"
#include "zend_highlight.h"
#include "zend_ptr_stack.h"
#include "zend_globals.h"

#ifndef ZTS
extern char *zendtext;
extern int zendleng;
#else
#define zendtext ((char *) zend_get_zendtext(CLS_C))
#define zendleng zend_get_zendleng(CLS_C)
#endif

static void html_putc(char c)
{
switch (c) {
case '\n':
ZEND_PUTS("<br>");
break;
case '<':
ZEND_PUTS("&lt;");
break;
case '>':
ZEND_PUTS("&gt;");
break;
case '&':
ZEND_PUTS("&amp;");
break;
case ' ':
ZEND_PUTS("&nbsp;");
break;
case '\t':
ZEND_PUTS("&nbsp;&nbsp;&nbsp;&nbsp;");
break;
default:
ZEND_PUTC(c);
break;
}
}


static void html_puts(char *s, uint len)
{
register char *ptr=s, *end=s+len;

while (ptr<end) {
html_putc(*ptr++);
}
}



ZEND_API void zend_highlight(zend_syntax_highlighter_ini *syntax_highlighter_ini)
{
zval token;
int token_type;
char *last_color = syntax_highlighter_ini->highlight_html;
char *next_color;
int in_string=0;
CLS_FETCH();

zend_printf("<code>");
zend_printf("<font color=\"%s\">\n", last_color);
/* highlight stuff coming back from zendlex() */
token.type = 0;
while ((token_type=lex_scan(&token CLS_CC))) {
switch (token_type) {
case T_INLINE_HTML:
next_color = syntax_highlighter_ini->highlight_html;
break;
case T_COMMENT:
next_color = syntax_highlighter_ini->highlight_comment;
break;
case T_OPEN_TAG:
next_color = syntax_highlighter_ini->highlight_default;
break;
case T_CLOSE_TAG:
next_color = syntax_highlighter_ini->highlight_default;
break;
case T_CONSTANT_ENCAPSED_STRING:
next_color = syntax_highlighter_ini->highlight_string;
break;
case '"':
next_color = syntax_highlighter_ini->highlight_string;
in_string = !in_string;
break;
case T_WHITESPACE:
html_puts(zendtext, zendleng); /* no color needed */
token.type = 0;
continue;
break;
default:
if (token.type==0) {
next_color = syntax_highlighter_ini->highlight_keyword;
} else {
if (in_string) {
next_color = syntax_highlighter_ini->highlight_string;
} else {
next_color = syntax_highlighter_ini->highlight_default;
}
}
break;
}

if (last_color != next_color) {
if (last_color != syntax_highlighter_ini->highlight_html) {
zend_printf("</font>");
}
last_color = next_color;
if (last_color != syntax_highlighter_ini->highlight_html) {
zend_printf("<font color=\"%s\">", last_color);
}
}
switch (token_type) {
case T_END_HEREDOC:
html_puts(token.value.str.val, token.value.str.len);
break;
default:
html_puts(zendtext, zendleng);
break;
}

if (token.type == IS_STRING) {
switch (token_type) {
case T_OPEN_TAG:
case T_CLOSE_TAG:
case T_WHITESPACE:
break;
default:
efree(token.value.str.val);
break;
}
} else if (token_type == T_END_HEREDOC) {
zend_bool has_semicolon=(strchr(token.value.str.val, ';')?1:0);

efree(token.value.str.val);
if (has_semicolon) {
/* the following semicolon was unput(), ignore it */
lex_scan(&token CLS_CC);
}
}
token.type = 0;
}
if (last_color != syntax_highlighter_ini->highlight_html) {
zend_printf("</font>\n");
}
zend_printf("</font>\n");
zend_printf("</code>");
}

/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
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