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Hopefully fix again comments. Reported by Alain. fixes #55

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Sébastien Lucas 2013-04-03 14:41:58 +02:00
parent dd1a00f560
commit 51a97f8e57
1 changed files with 80 additions and 5 deletions
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85
base.php
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@ -27,14 +27,89 @@ function xml2xhtml($xml) {
'), $xml);
}
function is_utf8($string) {
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}
function display_xml_error($error)
{
$return .= str_repeat('-', $error->column) . "^\n";
switch ($error->level) {
case LIBXML_ERR_WARNING:
$return .= "Warning $error->code: ";
break;
case LIBXML_ERR_ERROR:
$return .= "Error $error->code: ";
break;
case LIBXML_ERR_FATAL:
$return .= "Fatal Error $error->code: ";
break;
}
$return .= trim($error->message) .
"\n Line: $error->line" .
"\n Column: $error->column";
if ($error->file) {
$return .= "\n File: $error->file";
}
return "$return\n\n--------------------------------------------\n\n";
}
function are_libxml_errors_ok ()
{
$errors = libxml_get_errors();
foreach ($errors as $error) {
if ($error->code == 801) return false;
}
return true;
}
function html2xhtml ($html) {
$doc = new DOMDocument();
$doc->loadHTML($html); // Load the HTML
$output = utf8_decode($doc->saveXML($doc->documentElement)); // Transform to an Ansi xml stream
$output = xml2xhtml($output); // Fix the br / hr ...
if (preg_match ("#<html><body>(.*)</body></html>#ms", $output, $matches)) {
$output = $matches [1]; // Remove <html><body>
libxml_use_internal_errors(true);
if (is_utf8($html)) {
$doc->loadHTML('<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body>' .
$html . '</body></html>'); // Load the HTML
$output = $doc->saveXML($doc->documentElement); // Transform to an Ansi xml stream
$output = xml2xhtml($output);
if (preg_match ('#<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></meta></head><body>(.*)</body></html>#ms', $output, $matches)) {
$output = $matches [1]; // Remove <html><body>
}
} else {
$doc->loadHTML($html); // Load the HTML
$output = $doc->saveXML($doc->documentElement); // Transform to an Ansi xml stream
$output = xml2xhtml($output);
$output = xml2xhtml($output);
if (preg_match ('#<html><body>(.*)</body></html>#ms', $output, $matches)) {
$output = $matches [1]; // Remove <html><body>
}
}
/*
// In case of error with summary, use it to debug
$errors = libxml_get_errors();
foreach ($errors as $error) {
$output .= display_xml_error($error);
}
*/
if (!are_libxml_errors_ok ()) $output = "HTML code not valid.";
return $output;
}