function wp_geshi_highlight_and_generate_css()
{
global $wp_geshi_codesnipmatch_arrays;
global $wp_geshi_css_code;
global $wp_geshi_highlighted_matches;
global $wp_geshi_requested_css_files;
global $wp_geshi_used_languages;
// It is time to initialize the highlighting machinery.
// Check for `class_exists('GeSHi')` for preventing
// `Cannot redeclare class GeSHi` errors. Another plugin may already have
// included its own version of GeSHi.
// TODO: in this case, include GeSHi of WP-GeSHi-Highlight anyway, via
// namespacing or class renaming.
if (!class_exists('GeSHi')) {
include_once "geshi/geshi.php";
}
$wp_geshi_css_code = "";
foreach ($wp_geshi_codesnipmatch_arrays as $match_index => $match) {
// Process match details. The array structure is explained in
// a comment to function `wp_geshi_filter_replace_code()`.
$language = strtolower(trim($match[1]));
$line = trim($match[2]);
$escaped = trim($match[3]);
$cssfile = trim($match[4]);
$code = wp_geshi_code_trim($match[5]);
if ($escaped == "true") {
$code = htmlspecialchars_decode($code);
}
// (C) Ryan McGeary
// Set up GeSHi.
$geshi = new GeSHi($code, $language);
// Output CSS code / do *not* create inline styles.
$geshi->enable_classes();
// Disable keyword links.
$geshi->enable_keyword_links(false);
if ($line) {
$geshi->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);
$geshi->start_line_numbers_at($line);
}
// Set the output type. Reference:
// http://qbnz.com/highlighter/geshi-doc.html#the-code-container
$geshi->set_header_type(GESHI_HEADER_PRE_VALID);
// By default, geshi sets font size to 1em and line height to 1.2em.
// That does not fit many modern CSS architectures. Make this
// relative and, most importantly, customizable.
$geshi->set_code_style('');
// If the current language has not been processed in a previous
// iteration:
// - create CSS code for this language
// - append this to the `$wp_geshi_css_code string`.
// $geshi->get_stylesheet(false) disables the economy mode, i.e.
// this will return the full CSS code for the given language.
// This allows for reusing the same CSS code for multiple code
// blocks of the same language.
if (!in_array($language, $wp_geshi_used_languages)) {
$wp_geshi_used_languages[] = $language;
$wp_geshi_css_code .= $geshi->get_stylesheet(false);
}
$output = "";
// cssfile "none" means no wrapping divs at all.
if ($cssfile != "none") {
if (empty($cssfile)) {
// For this code snippet the default css file is required.
$cssfile = "wp-geshi-highlight";
}
// Append "the css file" to the array.
$wp_geshi_requested_css_files[] = $cssfile;
$output .= "\n\n" . '<div class="' . $cssfile . '-wrap5">' . '<div class="' . $cssfile . '-wrap4">' . '<div class="' . $cssfile . '-wrap3">' . '<div class="' . $cssfile . '-wrap2">' . '<div class="' . $cssfile . '-wrap">' . '<div class="' . $cssfile . '">';
}
// Create highlighted HTML code.
$output .= $geshi->parse_code();
if ($cssfile != "none") {
$output .= '</div></div></div></div></div></div>' . "\n\n";
}
// Store highlighted HTML code for later usage.
$wp_geshi_highlighted_matches[$match_index] = $output;
}
// At this point, all code snippets are parsed. Highlighted code is stored.
// CSS code has been generated. Delete what is not required anymore.
unset($wp_geshi_codesnipmatch_arrays);
}
function wp_geshi_highlight_and_generate_css()
{
global $wp_geshi_codesnipmatch_arrays;
global $wp_geshi_css_code;
global $wp_geshi_highlighted_matches;
global $wp_geshi_requested_css_files;
global $wp_geshi_used_languages;
// When we're here, code was found.
// Time to initialize the highlighting machine...
// Check for `class_exists('GeSHi')` for preventing
// `Cannot redeclare class GeSHi` errors. Another plugin may already have
// included its own version of GeSHi.
// TODO: in this case, include GeSHi of WP-GeSHi-Highlight anyway via using
// namespaces or class renaming.
if (!class_exists('GeSHi')) {
include_once "geshi/geshi.php";
}
$wp_geshi_css_code = "";
foreach ($wp_geshi_codesnipmatch_arrays as $match_index => $match) {
// Process the match details. The correspondence is explained in
// function `wp_geshi_filter_replace_code()`.
$language = strtolower(trim($match[1]));
$line = trim($match[2]);
$escaped = trim($match[3]);
$cssfile = trim($match[4]);
$code = wp_geshi_code_trim($match[5]);
if ($escaped == "true") {
$code = htmlspecialchars_decode($code);
}
// (C) Ryan McGeary
// Set up GeSHi.
$geshi = new GeSHi($code, $language);
// Prepare GeSHi to output CSS code and to prohibit inline styles.
$geshi->enable_classes();
// Disable keyword links.
$geshi->enable_keyword_links(false);
// Process the line number option given by user.
if ($line) {
$geshi->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);
$geshi->start_line_numbers_at($line);
}
// Set the output code type.
$geshi->set_header_type(GESHI_HEADER_PRE_VALID);
// By default, geshi sets font size to 1em and line height to 1.2em.
// That does not fit to many modern layouts, make this relative, and
// most important, make it customizable from outside.
$geshi->set_code_style('');
// Append the CSS code to the CSS code string if this is the first
// occurrence of the language. $geshi->get_stylesheet(false)
// disables the economy mode, i.e. this will return the full CSS
// code for the given language. This makes it much easier to use the
// same CSS code for several code blocks of the same language.
if (!in_array($language, $wp_geshi_used_languages)) {
$wp_geshi_used_languages[] = $language;
$wp_geshi_css_code .= $geshi->get_stylesheet(false);
}
$output = "";
// cssfile "none" means no wrapping divs at all.
if ($cssfile != "none") {
if (empty($cssfile)) {
// For this code snippet the default css file is required.
$cssfile = "wp-geshi-highlight";
}
// Append "the css file" to the array.
$wp_geshi_requested_css_files[] = $cssfile;
$output .= "\n\n" . '<div class="' . $cssfile . '-wrap5">' . '<div class="' . $cssfile . '-wrap4">' . '<div class="' . $cssfile . '-wrap3">' . '<div class="' . $cssfile . '-wrap2">' . '<div class="' . $cssfile . '-wrap">' . '<div class="' . $cssfile . '">';
}
$output .= $geshi->parse_code();
if ($cssfile != "none") {
$output .= '</div></div></div></div></div></div>' . "\n\n";
}
$wp_geshi_highlighted_matches[$match_index] = $output;
}
// At this point, all code snippets are parsed. Highlighted code is stored.
// CSS code is generated. Delete variables that are not required anymore.
unset($wp_geshi_codesnipmatch_arrays);
}
