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|
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 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 through the world-wide-web at the following url: |
| 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. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@php.net> |
| Zeev Suraski <zeev@php.net> |
+----------------------------------------------------------------------+
*/
#include "zend.h"
#include <zend_language_parser.h>
#include "zend_compile.h"
#include "zend_highlight.h"
#include "zend_ptr_stack.h"
#include "zend_globals.h"
#include "zend_exceptions.h"
ZEND_API void zend_html_putc(char c)
{
switch (c) {
case '\n':
ZEND_PUTS("<br />");
break;
case '<':
ZEND_PUTS("<");
break;
case '>':
ZEND_PUTS(">");
break;
case '&':
ZEND_PUTS("&");
break;
case ' ':
ZEND_PUTS(" ");
break;
case '\t':
ZEND_PUTS(" ");
break;
default:
ZEND_PUTC(c);
break;
}
}
ZEND_API void zend_html_puts(const char *s, size_t len)
{
const unsigned char *ptr = (const unsigned char*)s, *end = ptr + len;
unsigned char *filtered = NULL;
size_t filtered_len;
if (LANG_SCNG(output_filter)) {
LANG_SCNG(output_filter)(&filtered, &filtered_len, ptr, len);
ptr = filtered;
end = filtered + filtered_len;
}
while (ptr<end) {
if (*ptr==' ') {
do {
zend_html_putc(*ptr);
} while ((++ptr < end) && (*ptr==' '));
} else {
zend_html_putc(*ptr++);
}
}
if (LANG_SCNG(output_filter)) {
efree(filtered);
}
}
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;
zend_printf("<code>");
zend_printf("<span style=\"color: %s\">\n", last_color);
/* highlight stuff coming back from zendlex() */
while ((token_type=lex_scan(&token, NULL))) {
switch (token_type) {
case T_INLINE_HTML:
next_color = syntax_highlighter_ini->highlight_html;
break;
case T_COMMENT:
case T_DOC_COMMENT:
next_color = syntax_highlighter_ini->highlight_comment;
break;
case T_OPEN_TAG:
case T_OPEN_TAG_WITH_ECHO:
case T_CLOSE_TAG:
case T_LINE:
case T_FILE:
case T_DIR:
case T_TRAIT_C:
case T_METHOD_C:
case T_FUNC_C:
case T_NS_C:
case T_CLASS_C:
next_color = syntax_highlighter_ini->highlight_default;
break;
case '"':
case T_ENCAPSED_AND_WHITESPACE:
case T_CONSTANT_ENCAPSED_STRING:
next_color = syntax_highlighter_ini->highlight_string;
break;
case T_WHITESPACE:
zend_html_puts((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng)); /* no color needed */
ZVAL_UNDEF(&token);
continue;
break;
default:
if (Z_TYPE(token) == IS_UNDEF) {
next_color = syntax_highlighter_ini->highlight_keyword;
} else {
next_color = syntax_highlighter_ini->highlight_default;
}
break;
}
if (last_color != next_color) {
if (last_color != syntax_highlighter_ini->highlight_html) {
zend_printf("</span>");
}
last_color = next_color;
if (last_color != syntax_highlighter_ini->highlight_html) {
zend_printf("<span style=\"color: %s\">", last_color);
}
}
zend_html_puts((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
if (Z_TYPE(token) == IS_STRING) {
switch (token_type) {
case T_OPEN_TAG:
case T_OPEN_TAG_WITH_ECHO:
case T_CLOSE_TAG:
case T_WHITESPACE:
case T_COMMENT:
case T_DOC_COMMENT:
break;
default:
zval_ptr_dtor_str(&token);
break;
}
}
ZVAL_UNDEF(&token);
}
if (last_color != syntax_highlighter_ini->highlight_html) {
zend_printf("</span>\n");
}
zend_printf("</span>\n");
zend_printf("</code>");
/* Discard parse errors thrown during tokenization */
zend_clear_exception();
}
ZEND_API void zend_strip(void)
{
zval token;
int token_type;
int prev_space = 0;
while ((token_type=lex_scan(&token, NULL))) {
switch (token_type) {
case T_WHITESPACE:
if (!prev_space) {
zend_write(" ", sizeof(" ") - 1);
prev_space = 1;
}
/* lack of break; is intentional */
case T_COMMENT:
case T_DOC_COMMENT:
ZVAL_UNDEF(&token);
continue;
case T_END_HEREDOC:
zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
/* read the following character, either newline or ; */
if (lex_scan(&token, NULL) != T_WHITESPACE) {
zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
}
zend_write("\n", sizeof("\n") - 1);
prev_space = 1;
ZVAL_UNDEF(&token);
continue;
default:
zend_write((char*)LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
break;
}
if (Z_TYPE(token) == IS_STRING) {
switch (token_type) {
case T_OPEN_TAG:
case T_OPEN_TAG_WITH_ECHO:
case T_CLOSE_TAG:
case T_WHITESPACE:
case T_COMMENT:
case T_DOC_COMMENT:
break;
default:
zval_ptr_dtor_str(&token);
break;
}
}
prev_space = 0;
ZVAL_UNDEF(&token);
}
/* Discard parse errors thrown during tokenization */
zend_clear_exception();
}
|
