source/libvpx/examples/includes/vp8_doc_tools.php - Issue 148913004: libvpx: Pull from upstream

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Issue 148913004: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 6 years, 10 months ago

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1 #!/usr/bin/env php

2 <?php

3 /**

4 * vp8_doc_tools.php - Functions used when generating the

5 * On2 VP8 user documentation.

6 *

7 * Requirements

8 *

9 * PHP Markdown Extra

10 * http://michelf.com/projects/php-markdown/extra/

11 *

12 * PHP SmartyPants

13 * http://michelf.com/projects/php-smartypants/

14 *

15 * GeSHI

16 * http://qbnz.com/highlighter/

17 *

18 * ASCIIMathPHP

19 * http://tinyurl.com/asciimathphp

20 *

21 * HTML::Toc

22 * http://search.cpan.org/~fvulto/HTML-Toc-0.91/Toc.pod

23 *

24 *

25 * April 2009 - Lou Quillio <lou.quillio@on2.com>

26 *

27 **********************************************************/

28

29

30 // Includes

31 include_once('PHP-Markdown-Extra-1.2.3/markdown.php');

32 include_once('PHP-SmartyPants-1.5.1e/smartypants.php');

33 include_once('ASCIIMathPHP-2.0/ASCIIMathPHP-2.0.cfg.php');

34 require_once('ASCIIMathPHP-2.0/ASCIIMathPHP-2.0.class.php');

35 include_once('geshi/geshi.php');

36

37

38 // Paths and Scripts

39 $geshi_lang = 'geshi/geshi/'; // GeSHi language files

40 $toc_script = './do_toc.pl';

41

42

43

44 /**

45 * ASCIIMathML parser

46 * http://tinyurl.com/ASCIIMathPHP

47 *

48 * @PARAM mtch_arr array - Array of ASCIIMath expressions

49 * as returned by preg_replace_callback([pattern]). First

50 * dimension is the full matched string (with delimiter);

51 * 2nd dimension is the undelimited contents (typically

52 * a capture group).

53 *

54 **********************************************************/

55

56 function ASCIIMathPHPCallback($mtch_arr)

57 {

58 $txt = trim($mtch_arr[1]);

59

60 static $asciimath;

61

62 if (!isset($asciimath)) $asciimath = new ASCIIMathPHP($symbol_arr);

63

64 $math_attr_arr = array('displaystyle' => 'true');

65

66 $asciimath->setExpr($txt);

67 $asciimath->genMathML($math_attr_arr);

68

69 return($asciimath->getMathML());

70 }

71

72 /**

73 * fix_asciiMath()

74 *

75 * ASCIIMath pretty-prints its output, with linefeeds

76 * and tabs. Causes unexpected behavior in some renderers.

77 * This flattens <math> blocks.

78 *

79 * @PARAM page_body str - The <body> element of an

80 * XHTML page to transform.

81 *

82 **********************************************************/

83

84 function fix_asciiMath($page_body)

85 {

86 $out = FALSE;

87

88 // Remove linefeeds and whitespace in <math> elements

89 $tags_bad = array('/(<math.?>)\n\s*/'

90 , '/(<mstyle.?>)\n\s*/'

91 , '/(<\/mstyle>)\n\s/'

92 , '/(<mrow.?>)\n\s*/'

93 , '/(<\/mrow>)\n\s/'

94 , '/(<mo.?>)\n\s*/'

95 , '/(<\/mo>)\n\s/'

96 , '/(<mi.?>)\n\s*/'

97 , '/(<\/mi>)\n\s/'

98 , '/(<mn.?>)\n\s*/'

99 , '/(<\/mn>)\n\s/'

100 , '/(<mtext.?>)\n\s*/'

101 , '/(<\/mtext>)\n\s/'

102 , '/(<msqrt.?>)\n\s*/'

103 , '/(<\/msqrt>)\n\s/'

104 , '/(<mfrac.?>)\n\s*/'

105 , '/(<\/mfrac>)\n\s/'

106 );

107 $tags_good = array( '$1'

108 , '$1'

109 , '$1'

110 , '$1'

111 , '$1'

112 , '$1'

113 , '$1'

114 , '$1'

115 , '$1'

116 , '$1'

117 , '$1'

118 , '$1'

119 , '$1'

120 , '$1'

121 , '$1'

122 , '$1'

123 , '$1'

124 );

125 $out = preg_replace($tags_bad, $tags_good, $page_body);

126

127 return $out;

128

129 }

130

131 /**

132 * do_geshi() - Performs GeSHi transforms on XHTML blobs

133 *

134 * @param $blob str - The blob to transform

135 * @param $open str - Opening expression to match

136 * @param $close str - Closing expression to match

137 * @param $lang str - Language file to use

138 *

139 **********************************************************/

140

141 function do_geshi($blob, $open = '<pre>',

142 $close = '</pre>', $lang = 'c')

143 {

144 $out = FALSE;

145 $regexp = '\|' . $open . '(.*?)' . $close . '\|si';

146 echo $regexp . "\n\n";

147

148 while (preg_match($regexp, $blob, $matches))

149 {

150 $geshi = new GeSHi($matches[1], $lang);

151 $geshi->set_language_path($geshi_lang);

152 $blob_new = $geshi->parse_code();

153 // Strip annoying final <br />

154 $blob_new = preg_replace('/\n <\/pre>/', '</pre>' , $blob_new);

155 // Fix annoying GeSHI-injected attributes

156 $blob_new = preg_replace('/<pre.*>/i', '<pre>' , $blob_new);

157 $blob = preg_replace($regexp, $blob_new, $blob, 1);

158 unset($geshi);

159 }

160

161 return $out;

162

163 }

164

165

166

167

168 /**

169 * prep_dd_codeblocks()

170 *

171 * I'm _so_ not proud of this, but don't have time to

172 * write a proper regex.

173 *

174 * @TODO - Write that regex.

175 *

176 **********************************************************/

177 /*

178 function prep_dd_codeblocks($page_body)

179 {

180 $out = FALSE;

181 $toggle = 0;

182 $regexp = '/~{3,}/';

183

184 while (preg_match($regexp, $page_body))

185 {

186 if ($toggle == 0)

187 {

188 $regexp = '/:\s~{3,}\s\n/';

189 $page_body = preg_replace($regexp, ': <pre><code>', $page_body, 1);

190 $toggle = 1;

191 }

192 else

193 {

194 $regexp = '/\n\s*~{3,}/';

195 $page_body = preg_replace($regexp, '</code></pre>', $page_body, 1);

196 $toggle = 0;

197 }

198 }

199

200 // One more time

201 $regexp = '/\n\s*~{3,}/';

202 $page_body = preg_replace($regexp, '</code></pre>', $page_body, 1);

203 $out = $page_body;

204

205 return $out;

206 }

207 */

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