coder_style.inc in Coder 6.2
Same filename and directory in other branches
This include file implements coder functionality for Drupal Standards.
File
includes/coder_style.incView source
<?php
/**
* @file
* This include file implements coder functionality for Drupal Standards.
*/
/**
* Implementation of hook_reviews().
*/
function coder_style_reviews() {
$br = 'br';
$rules = array(
array(
'#type' => 'regex',
'#value' => '\\t',
'#warning' => 'Use an indent of 2 spaces, with no tabs',
),
array(
'#type' => 'regex',
'#never' => '<\\?php',
'#value' => '^ ( )*[^ \'".]',
'#warning' => 'Use an indent of 2 spaces, with no tabs',
'#severity' => 'minor',
),
array(
'#type' => 'regex',
'#value' => '\\s(if|elseif|while|foreach|switch|case|return|for|catch)\\(',
'#warning' => 'Control statements should have one space between the control keyword and opening parenthesis',
),
array(
'#type' => 'regex',
'#value' => '[\\s\\(](\\w+)\\s\\(',
'#not' => '^(if|elseif|while|foreach|switch|case|return|for|list|catch)$',
'#warning' => 'Functions should be called with no spaces between the function name and opening parentheses',
),
array(
'#type' => 'regex',
'#value' => '\\){',
'#warning' => 'use a space between the closing parenthesis and the open bracket',
),
array(
'#type' => 'regex',
'#value' => '(\\S=>|=>\\S)',
'#warning' => 'Arrays should be formatted with a space separating each element and assignment operator',
),
/* Commenting out for string concatentation style change.
array(
'#type' => 'regex',
'#value' => '(\.\s\'\'|\'\'\s\.|\.\s""|\.\s"")',
'#warning' => 'string concatenation should be formatted without a space separating the operators (dot .) and a quote',
),
*/
array(
'#type' => 'regex',
'#value' => '([^\\(\'\\"\\s0-9]\\.|\\.[^\\)\'\\"\\=\\s0-9])',
'#warning' => 'string concatenation should be formatted with a space separating the operators (dot .) and non-quote terms',
),
array(
'#type' => 'regex',
'#value' => '<\\?(\\w+)',
'#not' => '^(php|xml)$',
'#warning' => 'Always use <?php ?> to delimit PHP code, not the <? ?> shorthand',
),
array(
'#type' => 'regex',
'#value' => 'global\\s+\\$(\\w+)(,\\s\\$(\\w+))*',
'#not' => '^_|^(' . _coder_style_core_global_regex() . ')$',
'#warning' => 'global variables should start with a single underscore followed by the module and another underscore',
),
array(
'#type' => 'callback',
'#source' => 'all',
'#value' => '_coder_style_closing_php_callback',
'#warning' => 'the final ?> should be omitted from all code files',
),
array(
'#type' => 'regex',
'#value' => '}\\s*else',
'#warning' => 'else statements should begin on a new line',
),
array(
'#type' => 'regex',
'#value' => '[,][^ \\n\\r]',
'#warning' => 'missing space after comma',
),
array(
'#type' => 'regex',
'#value' => '^\\s*{',
'#warning' => 'curly braces { should end a line, not start one',
),
array(
'#type' => 'regex',
'#value' => '(?-i)(function\\s+|\\$)(([a-z]+[A-Z]+([a-z]*[A-Z]*)*)|([A-Z]+[a-z]+([A-Z]*[a-z]*)*))',
'#warning' => 'do not use mixed case (camelCase), use lower case and _',
'#class-not' => '.+',
'#filename-not' => array(
'test',
),
),
array(
'#type' => 'regex',
'#value' => '\\s(stdclass)\\s*\\(',
'#not' => '^(?-i)stdClass$',
'#warning' => "use stdClass caseCapitalization, it's the one exception to the mixed case style standard",
),
array(
'#type' => 'regex',
'#source' => 'html',
'#value' => '<' . $br . '>',
// NOTE: use $br only to avoid a warning.
'#warning' => 'use <br /> instead of <br>',
'#severity' => 'minor',
),
array(
'#type' => 'regex',
'#source' => 'html',
'#value' => '(?-i)<[A-Z]+',
'#warning_callback' => '_coder_style_xhtml_warning',
'#severity' => 'minor',
),
array(
'#type' => 'regex',
'#value' => '\\s(if|elseif|while|foreach|switch|return|for|catch)\\s*\\(.*\\) \\s*{\\s*[^\\s]+',
'#warning' => 'The control statement should be on a separate line from the control conditional',
),
array(
'#type' => 'regex',
'#source' => 'all',
'#value' => '[ \\t]+$',
'#warning' => 'There should be no trailing spaces',
'#severity' => 'minor',
),
array(
'#type' => 'regex',
'#value' => '[\\s\\(](strlen|strtolower|strtoupper|substr|ucfirst)\\s*\\(',
'#warning' => 'in most cases, replace the string function with the drupal_ equivalent string functions',
'#severity' => 'minor',
),
array(
'#type' => 'regex',
'#value' => '\\[\\s*[A-Za-z][A-Za-z0-9_]*\\s*]',
'#not' => '\\[\\s*[A-Z][A-Z0-9_]*\\s*]',
'#warning' => 'use quotes around a string literal array index, this is not only a style issue, but a known performance problem',
'#case-sensitive' => TRUE,
),
array(
'#type' => 'regex',
'#value' => '[\\s=>]+(true|false|null)[\\)\\s;,\\n\\r]+',
'#case-sensitive' => TRUE,
'#warning' => 'Use uppercase for PHP constants, e.g. NULL, TRUE, FALSE',
),
array(
'#type' => 'regex',
'#value' => '\\s+else\\s+if\\s*\\(',
'#warning' => 'Use "elseif" in place of "else if"',
),
);
$review = array(
'#title' => t('Drupal Coding Standards'),
'#link' => 'http://drupal.org/node/318',
'#rules' => $rules,
'#description' => t('every developer should use'),
);
return array(
'style' => $review,
);
}
/**
* Define the rule callbacks for style.
*/
function _coder_style_closing_php_callback(&$coder_args, $review, $rule, $lines, &$results) {
if (empty($lines)) {
return;
}
for ($lineno = -1; $last = array_slice($lines, $lineno); $lineno--) {
$lastline = $last[0][0];
if (preg_match('/\\S/', $lastline)) {
break;
}
}
if ($last && $lastline && preg_match('/\\?>\\s*$/i', $lastline)) {
$severity_name = _coder_severity_name($coder_args, $review, $rule);
_coder_error($results, $rule, $severity_name, count($lines));
}
}
function _coder_style_core_global_regex() {
static $coreglobalregex, $coreglobalvars;
if (!isset($coreglobalregex)) {
// Note: there's a little extra overhead in formatting this list as an
// array, but I think it makes it more readable and maintainable.
$coreglobalvars = array(
// From the Drupal 5 includes/ directory.
'active_db',
'base_path',
'base_root',
'base_url',
'conf',
'custom_theme',
'db_prefix',
'db_type',
'db_url',
'form_button_counter',
'form_submitted',
'form_values',
'install_locale',
'installed_profile',
'language',
'last_result',
'locale',
'multibyte',
'pager_page_array',
'pager_total',
'pager_total_items',
'profile',
'queries',
'sidebar_indicator',
'theme',
'theme_engine',
'theme_key',
'theme_path',
'timers',
'user',
'xrds_services',
'xrds_open_elements',
'xrds_current_service',
// From the Drupal 5 modules/ directory -
// Note: IMHO these should not be allowed, but until we fix core,
// other modules will need them.
'channel',
'element',
'forum_topic_list_header',
'id',
'image',
'item',
'items',
'last_change',
'last_nid',
'nid',
'recent_activity',
'tag',
);
$coreglobalregex = implode('|', $coreglobalvars);
}
return $coreglobalregex;
}
/**
* Define the warning callbacks.
*/
function _coder_style_xhtml_warning() {
return t('use lowercase html tags to comply with <a href="@xhtml">XHTML</a>', array(
'@xhtml' => 'http://www.w3.org/TR/xhtml1/#h-4.2',
));
}
Functions
Name | Description |
---|---|
coder_style_reviews | Implementation of hook_reviews(). |
_coder_style_closing_php_callback | Define the rule callbacks for style. |
_coder_style_core_global_regex | |
_coder_style_xhtml_warning | Define the warning callbacks. |