1: /*
2: +----------------------------------------------------------------------+
3: | Zend Engine |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 1998-2012 Zend Technologies Ltd. (http://www.zend.com) |
6: +----------------------------------------------------------------------+
7: | This source file is subject to version 2.00 of the Zend license, |
8: | that is bundled with this package in the file LICENSE, and is |
9: | available through the world-wide-web at the following url: |
10: | http://www.zend.com/license/2_00.txt. |
11: | If you did not receive a copy of the Zend license and are unable to |
12: | obtain it through the world-wide-web, please send a note to |
13: | license@zend.com so we can mail you a copy immediately. |
14: +----------------------------------------------------------------------+
15: | Authors: Andi Gutmans <andi@zend.com> |
16: | Zeev Suraski <zeev@zend.com> |
17: +----------------------------------------------------------------------+
18: */
19:
20: /* $Id: zend_highlight.c,v 1.1.1.1 2012/02/21 23:47:52 misho Exp $ */
21:
22: #include "zend.h"
23: #include <zend_language_parser.h>
24: #include "zend_compile.h"
25: #include "zend_highlight.h"
26: #include "zend_ptr_stack.h"
27: #include "zend_globals.h"
28:
29: ZEND_API void zend_html_putc(char c)
30: {
31: switch (c) {
32: case '\n':
33: ZEND_PUTS("<br />");
34: break;
35: case '<':
36: ZEND_PUTS("<");
37: break;
38: case '>':
39: ZEND_PUTS(">");
40: break;
41: case '&':
42: ZEND_PUTS("&");
43: break;
44: case ' ':
45: ZEND_PUTS(" ");
46: break;
47: case '\t':
48: ZEND_PUTS(" ");
49: break;
50: default:
51: ZEND_PUTC(c);
52: break;
53: }
54: }
55:
56:
57: ZEND_API void zend_html_puts(const char *s, uint len TSRMLS_DC)
58: {
59: const char *ptr=s, *end=s+len;
60:
61: #ifdef ZEND_MULTIBYTE
62: char *filtered;
63: int filtered_len;
64:
65: if (LANG_SCNG(output_filter)) {
66: LANG_SCNG(output_filter)(&filtered, &filtered_len, s, len TSRMLS_CC);
67: ptr = filtered;
68: end = filtered + filtered_len;
69: }
70: #endif /* ZEND_MULTIBYTE */
71:
72: while (ptr<end) {
73: if (*ptr==' ') {
74: do {
75: zend_html_putc(*ptr);
76: } while ((++ptr < end) && (*ptr==' '));
77: } else {
78: zend_html_putc(*ptr++);
79: }
80: }
81:
82: #ifdef ZEND_MULTIBYTE
83: if (LANG_SCNG(output_filter)) {
84: efree(filtered);
85: }
86: #endif /* ZEND_MULTIBYTE */
87: }
88:
89:
90: ZEND_API void zend_highlight(zend_syntax_highlighter_ini *syntax_highlighter_ini TSRMLS_DC)
91: {
92: zval token;
93: int token_type;
94: char *last_color = syntax_highlighter_ini->highlight_html;
95: char *next_color;
96:
97: zend_printf("<code>");
98: zend_printf("<span style=\"color: %s\">\n", last_color);
99: /* highlight stuff coming back from zendlex() */
100: token.type = 0;
101: while ((token_type=lex_scan(&token TSRMLS_CC))) {
102: switch (token_type) {
103: case T_INLINE_HTML:
104: next_color = syntax_highlighter_ini->highlight_html;
105: break;
106: case T_COMMENT:
107: case T_DOC_COMMENT:
108: next_color = syntax_highlighter_ini->highlight_comment;
109: break;
110: case T_OPEN_TAG:
111: case T_OPEN_TAG_WITH_ECHO:
112: next_color = syntax_highlighter_ini->highlight_default;
113: break;
114: case T_CLOSE_TAG:
115: next_color = syntax_highlighter_ini->highlight_default;
116: break;
117: case '"':
118: case T_ENCAPSED_AND_WHITESPACE:
119: case T_CONSTANT_ENCAPSED_STRING:
120: next_color = syntax_highlighter_ini->highlight_string;
121: break;
122: case T_WHITESPACE:
123: zend_html_puts(LANG_SCNG(yy_text), LANG_SCNG(yy_leng) TSRMLS_CC); /* no color needed */
124: token.type = 0;
125: continue;
126: break;
127: default:
128: if (token.type == 0) {
129: next_color = syntax_highlighter_ini->highlight_keyword;
130: } else {
131: next_color = syntax_highlighter_ini->highlight_default;
132: }
133: break;
134: }
135:
136: if (last_color != next_color) {
137: if (last_color != syntax_highlighter_ini->highlight_html) {
138: zend_printf("</span>");
139: }
140: last_color = next_color;
141: if (last_color != syntax_highlighter_ini->highlight_html) {
142: zend_printf("<span style=\"color: %s\">", last_color);
143: }
144: }
145:
146: zend_html_puts(LANG_SCNG(yy_text), LANG_SCNG(yy_leng) TSRMLS_CC);
147:
148: if (token.type == IS_STRING) {
149: switch (token_type) {
150: case T_OPEN_TAG:
151: case T_OPEN_TAG_WITH_ECHO:
152: case T_CLOSE_TAG:
153: case T_WHITESPACE:
154: case T_COMMENT:
155: case T_DOC_COMMENT:
156: break;
157: default:
158: efree(token.value.str.val);
159: break;
160: }
161: } else if (token_type == T_END_HEREDOC) {
162: efree(token.value.str.val);
163: }
164: token.type = 0;
165: }
166:
167: if (last_color != syntax_highlighter_ini->highlight_html) {
168: zend_printf("</span>\n");
169: }
170: zend_printf("</span>\n");
171: zend_printf("</code>");
172: }
173:
174: ZEND_API void zend_strip(TSRMLS_D)
175: {
176: zval token;
177: int token_type;
178: int prev_space = 0;
179:
180: token.type = 0;
181: while ((token_type=lex_scan(&token TSRMLS_CC))) {
182: switch (token_type) {
183: case T_WHITESPACE:
184: if (!prev_space) {
185: zend_write(" ", sizeof(" ") - 1);
186: prev_space = 1;
187: }
188: /* lack of break; is intentional */
189: case T_COMMENT:
190: case T_DOC_COMMENT:
191: token.type = 0;
192: continue;
193:
194: case T_END_HEREDOC:
195: zend_write(LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
196: efree(token.value.str.val);
197: /* read the following character, either newline or ; */
198: if (lex_scan(&token TSRMLS_CC) != T_WHITESPACE) {
199: zend_write(LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
200: }
201: zend_write("\n", sizeof("\n") - 1);
202: prev_space = 1;
203: token.type = 0;
204: continue;
205:
206: default:
207: zend_write(LANG_SCNG(yy_text), LANG_SCNG(yy_leng));
208: break;
209: }
210:
211: if (token.type == IS_STRING) {
212: switch (token_type) {
213: case T_OPEN_TAG:
214: case T_OPEN_TAG_WITH_ECHO:
215: case T_CLOSE_TAG:
216: case T_WHITESPACE:
217: case T_COMMENT:
218: case T_DOC_COMMENT:
219: break;
220:
221: default:
222: efree(token.value.str.val);
223: break;
224: }
225: }
226: prev_space = token.type = 0;
227: }
228: }
229:
230: /*
231: * Local variables:
232: * tab-width: 4
233: * c-basic-offset: 4
234: * indent-tabs-mode: t
235: * End:
236: */
237:
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