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<?php
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// $Id: drutex_tools.inc,v 1.2 2007/04/25 14:46:28 darthsteven Exp $
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/**
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* @file
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* Tools for more debugging and error logging.
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*/
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/**
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* Implementation of subhook_info().
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*/
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function drutex_tools_info($format = -1) {
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return (object) array(
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'title' => t('Toolbox'),
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'description' => t('Tools for more debugging and error logging.'),
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'toggle' => false,
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'weight' => 20
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);
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}
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/**
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* Implementation of subhook_defaults().
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*/
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function drutex_tools_defaults() {
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$D['drutex_tools_active'] = true;
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$D['drutex_debug'] = false;
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return $D;
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}
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/**
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* Implementation of subhook_filter_settings().
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*/
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function drutex_tools_filter_settings($format = -1) {
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$choices = array('drupal' => 'Drupal style',
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'latex' => 'LaTeX style');
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$form["drutex_debug_$format"] = array(
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'#type' => 'checkbox',
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'#title' => t('Debugging mode'),
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'#default_value' => drutex_var_get("drutex_debug_$format"),
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'#description' => t('If enabled, the temporary files will no longer be deleted automatically. Also enables super-verbose logging.')
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);
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$div_error = '<div class="filter-settings-error">';
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$div_correct = '<div class="filter-settings-correct">';
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/*
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Temporary directory check
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*/
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$temporary_dir = drutex_var_get("drutex_dir_temporary_$format");
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$is_writable = is_writable($temporary_dir);
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if ($is_writable == false) {
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$form["drutex_check_tmpdir"] = array(
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'#type' => 'markup',
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'#value' => $div_error . t('The temporary directory (') . $temporary_dir .') isn\'t writable.'.'</div>'
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);
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}
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else {
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$form["drutex_check_tmpdir"] = array(
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'#type' => 'markup',
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'#value' => $div_correct . t('The temporary directory is writable.') .'</div>'
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);
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}
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/*
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Image directory check
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*/
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$image_dir = drutex_var_get("drutex_dir_images_$format");
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$is_writable = is_writable($image_dir);
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if ($is_writable == false) {
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$form["drutex_check_imgdir"] = array(
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'#type' => 'markup',
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'#value' => $div_error . t('The image directory (') . $image_dir .') isn\'t writable.'.'</div>'
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);
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}
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else {
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$form["drutex_check_imgdir"] = array(
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'#type' => 'markup',
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'#value' => $div_correct . t('The image directory is writable.') .'</div>'
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);
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}
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/*
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LaTeX check
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*/
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exec('latex -version', $latex_output, $latex_return_value); //We grab the version which should work on all platforms
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if ($latex_return_value == 127) {
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$form["drutex_check_latex"] = array(
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'#type' => 'markup',
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'#value' => $div_error . t('Executing "latex" failed. Either LaTeX isn\'t installed or the "latex" executable is not in one of the search paths. <br /> You cannot render high-quality images without LaTeX. <br /> Mimetex maybe an alternative for you. Consult the documentation on how to use Mimetex.') .'</div>'
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);
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}
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else {
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$form["drutex_check_latex"] = array(
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'#type' => 'markup',
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'#value' => $div_correct . t('Executing "latex" was successful: ') ."<tt>{$latex_output[0]}</tt>".'</div>'
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);
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}
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/*
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dvipng check
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*/
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exec('dvipng', $dvipng_output, $dvipng_return_value);
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if ($dvipng_return_value == 127) {
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$form["drutex_check_dvipng"] = array(
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'#type' => 'markup',
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'#value' => $div_error . t('Executing "dvipng" failed. Either dvipng isn\'t installed or the "dvipng" executable is not in one of the search paths. <br /> You cannot use dvipng for rendering images (check the conversion method above).') .'</div>'
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);
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}
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else {
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$form["drutex_check_dvipng"] = array(
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'#type' => 'markup',
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'#value' => $div_correct . t('Executing "dvipng" was successful: ') ."<tt>{$dvipng_output[0]}</tt>".'</div>'
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);
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}
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/*
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Imagemagick check
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*/
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exec('convert', $imagemagick_output, $imagemagick_return_value);
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if ($imagemagick_return_value == 127) {
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$form["drutex_check_imagemagick"] = array(
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'#type' => 'markup',
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'#value' => $div_error . t('Executing "convert" (ImageMagick) failed. Either ImageMagick isn\'t installed or the "convert" executable is not in one of the search paths. <br /> You cannot use ImageMagick for rendering images (check the conversion method above).') .'</div>'
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);
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}
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else {
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$form["drutex_check_imagemagick"] = array(
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'#type' => 'markup',
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'#value' => $div_correct . t('Executing "convert" (ImageMagick) was successful: ') ."<tt>{$imagemagick_output[0]}</tt>".'</div>'
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);
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}
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return $form;
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}
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