+++ /dev/null
-<?php
-
-/**
- * This file contains functions to convert callback templates to other languages.
- * The template should first be pre-processed with CBTProcessor to remove static
- * sections.
- */
-
-
-require_once( dirname( __FILE__ ) . '/CBTProcessor.php' );
-
-/**
- * Push a value onto the stack
- * Argument 1: value
- */
-define( 'CBT_PUSH', 1 );
-
-/**
- * Pop, concatenate argument, push
- * Argument 1: value
- */
-define( 'CBT_CAT', 2 );
-
-/**
- * Concatenate where the argument is on the stack, instead of immediate
- */
-define( 'CBT_CATS', 3 );
-
-/**
- * Call a function, push the return value onto the stack and put it in the cache
- * Argument 1: argument count
- *
- * The arguments to the function are on the stack
- */
-define( 'CBT_CALL', 4 );
-
-/**
- * Pop, htmlspecialchars, push
- */
-define( 'CBT_HX', 5 );
-
-class CBTOp {
- var $opcode;
- var $arg1;
- var $arg2;
-
- function CBTOp( $opcode, $arg1, $arg2 ) {
- $this->opcode = $opcode;
- $this->arg1 = $arg1;
- $this->arg2 = $arg2;
- }
-
- function name() {
- $opcodeNames = array(
- CBT_PUSH => 'PUSH',
- CBT_CAT => 'CAT',
- CBT_CATS => 'CATS',
- CBT_CALL => 'CALL',
- CBT_HX => 'HX',
- );
- return $opcodeNames[$this->opcode];
- }
-};
-
-class CBTCompiler {
- var $mOps = array();
- var $mCode;
-
- function CBTCompiler( $text ) {
- $this->mText = $text;
- }
-
- /**
- * Compile the text.
- * Returns true on success, error message on failure
- */
- function compile() {
- $this->mLastError = false;
- $this->mOps = array();
-
- $this->doText( 0, strlen( $this->mText ) );
-
- if ( $this->mLastError !== false ) {
- $pos = $this->mErrorPos;
-
- // Find the line number at which the error occurred
- $startLine = 0;
- $endLine = 0;
- $line = 0;
- do {
- if ( $endLine ) {
- $startLine = $endLine + 1;
- }
- $endLine = strpos( $this->mText, "\n", $startLine );
- ++$line;
- } while ( $endLine !== false && $endLine < $pos );
-
- $text = "Template error at line $line: $this->mLastError\n<pre>\n";
-
- $context = rtrim( str_replace( "\t", " ", substr( $this->mText, $startLine, $endLine - $startLine ) ) );
- $text .= htmlspecialchars( $context ) . "\n" . str_repeat( ' ', $pos - $startLine ) . "^\n</pre>\n";
- } else {
- $text = true;
- }
-
- return $text;
- }
-
- /** Shortcut for doOpenText( $start, $end, false */
- function doText( $start, $end ) {
- return $this->doOpenText( $start, $end, false );
- }
-
- function phpQuote( $text ) {
- return "'" . strtr( $text, array( "\\" => "\\\\", "'" => "\\'" ) ) . "'";
- }
-
- function op( $opcode, $arg1 = null, $arg2 = null) {
- return new CBTOp( $opcode, $arg1, $arg2 );
- }
-
- /**
- * Recursive workhorse for text mode.
- *
- * Processes text mode starting from offset $p, until either $end is
- * reached or a closing brace is found. If $needClosing is false, a
- * closing brace will flag an error, if $needClosing is true, the lack
- * of a closing brace will flag an error.
- *
- * The parameter $p is advanced to the position after the closing brace,
- * or after the end. A CBTValue is returned.
- *
- * @private
- */
- function doOpenText( &$p, $end, $needClosing = true ) {
- $in =& $this->mText;
- $start = $p;
- $atStart = true;
-
- $foundClosing = false;
- while ( $p < $end ) {
- $matchLength = strcspn( $in, CBT_BRACE, $p, $end - $p );
- $pToken = $p + $matchLength;
-
- if ( $pToken >= $end ) {
- // No more braces, output remainder
- if ( $atStart ) {
- $this->mOps[] = $this->op( CBT_PUSH, substr( $in, $p ) );
- $atStart = false;
- } else {
- $this->mOps[] = $this->op( CBT_CAT, substr( $in, $p ) );
- }
- $p = $end;
- break;
- }
-
- // Output the text before the brace
- if ( $atStart ) {
- $this->mOps[] = $this->op( CBT_PUSH, substr( $in, $p, $matchLength ) );
- $atStart = false;
- } else {
- $this->mOps[] = $this->op( CBT_CAT, substr( $in, $p, $matchLength ) );
- }
-
- // Advance the pointer
- $p = $pToken + 1;
-
- // Check for closing brace
- if ( $in[$pToken] == '}' ) {
- $foundClosing = true;
- break;
- }
-
- // Handle the "{fn}" special case
- if ( $pToken > 0 && $in[$pToken-1] == '"' ) {
- $this->doOpenFunction( $p, $end );
- if ( $p < $end && $in[$p] == '"' ) {
- $this->mOps[] = $this->op( CBT_HX );
- }
- } else {
- $this->doOpenFunction( $p, $end );
- }
- if ( $atStart ) {
- $atStart = false;
- } else {
- $this->mOps[] = $this->op( CBT_CATS );
- }
- }
- if ( $foundClosing && !$needClosing ) {
- $this->error( 'Errant closing brace', $p );
- } elseif ( !$foundClosing && $needClosing ) {
- $this->error( 'Unclosed text section', $start );
- } else {
- if ( $atStart ) {
- $this->mOps[] = $this->op( CBT_PUSH, '' );
- }
- }
- }
-
- /**
- * Recursive workhorse for function mode.
- *
- * Processes function mode starting from offset $p, until either $end is
- * reached or a closing brace is found. If $needClosing is false, a
- * closing brace will flag an error, if $needClosing is true, the lack
- * of a closing brace will flag an error.
- *
- * The parameter $p is advanced to the position after the closing brace,
- * or after the end. A CBTValue is returned.
- *
- * @private
- */
- function doOpenFunction( &$p, $end, $needClosing = true ) {
- $in =& $this->mText;
- $start = $p;
- $argCount = 0;
-
- $foundClosing = false;
- while ( $p < $end ) {
- $char = $in[$p];
- if ( $char == '{' ) {
- // Switch to text mode
- ++$p;
- $this->doOpenText( $p, $end );
- ++$argCount;
- } elseif ( $char == '}' ) {
- // Block end
- ++$p;
- $foundClosing = true;
- break;
- } elseif ( false !== strpos( CBT_WHITE, $char ) ) {
- // Whitespace
- // Consume the rest of the whitespace
- $p += strspn( $in, CBT_WHITE, $p, $end - $p );
- } else {
- // Token, find the end of it
- $tokenLength = strcspn( $in, CBT_DELIM, $p, $end - $p );
- $this->mOps[] = $this->op( CBT_PUSH, substr( $in, $p, $tokenLength ) );
-
- // Execute the token as a function if it's not the function name
- if ( $argCount ) {
- $this->mOps[] = $this->op( CBT_CALL, 1 );
- }
-
- $p += $tokenLength;
- ++$argCount;
- }
- }
- if ( !$foundClosing && $needClosing ) {
- $this->error( 'Unclosed function', $start );
- return '';
- }
-
- $this->mOps[] = $this->op( CBT_CALL, $argCount );
- }
-
- /**
- * Set a flag indicating that an error has been found.
- */
- function error( $text, $pos = false ) {
- $this->mLastError = $text;
- if ( $pos === false ) {
- $this->mErrorPos = $this->mCurrentPos;
- } else {
- $this->mErrorPos = $pos;
- }
- }
-
- function getLastError() {
- return $this->mLastError;
- }
-
- function opsToString() {
- $s = '';
- foreach( $this->mOps as $op ) {
- $s .= $op->name();
- if ( !is_null( $op->arg1 ) ) {
- $s .= ' ' . var_export( $op->arg1, true );
- }
- if ( !is_null( $op->arg2 ) ) {
- $s .= ' ' . var_export( $op->arg2, true );
- }
- $s .= "\n";
- }
- return $s;
- }
-
- function generatePHP( $functionObj ) {
- $fname = 'CBTCompiler::generatePHP';
- wfProfileIn( $fname );
- $stack = array();
-
- foreach( $this->mOps as $op ) {
- switch( $op->opcode ) {
- case CBT_PUSH:
- $stack[] = $this->phpQuote( $op->arg1 );
- break;
- case CBT_CAT:
- $val = array_pop( $stack );
- array_push( $stack, "$val . " . $this->phpQuote( $op->arg1 ) );
- break;
- case CBT_CATS:
- $right = array_pop( $stack );
- $left = array_pop( $stack );
- array_push( $stack, "$left . $right" );
- break;
- case CBT_CALL:
- $args = array_slice( $stack, count( $stack ) - $op->arg1, $op->arg1 );
- $stack = array_slice( $stack, 0, count( $stack ) - $op->arg1 );
-
- // Some special optimised expansions
- if ( $op->arg1 == 0 ) {
- $result = '';
- } else {
- $func = array_shift( $args );
- if ( substr( $func, 0, 1 ) == "'" && substr( $func, -1 ) == "'" ) {
- $func = substr( $func, 1, strlen( $func ) - 2 );
- if ( $func == "if" ) {
- if ( $op->arg1 < 3 ) {
- // This should have been caught during processing
- return "Not enough arguments to if";
- } elseif ( $op->arg1 == 3 ) {
- $result = "(({$args[0]} != '') ? ({$args[1]}) : '')";
- } else {
- $result = "(({$args[0]} != '') ? ({$args[1]}) : ({$args[2]}))";
- }
- } elseif ( $func == "true" ) {
- $result = "true";
- } elseif( $func == "lbrace" || $func == "{" ) {
- $result = "{";
- } elseif( $func == "rbrace" || $func == "}" ) {
- $result = "}";
- } elseif ( $func == "escape" || $func == "~" ) {
- $result = "htmlspecialchars({$args[0]})";
- } else {
- // Known function name
- $result = "{$functionObj}->{$func}(" . implode( ', ', $args ) . ')';
- }
- } else {
- // Unknown function name
- $result = "call_user_func(array($functionObj, $func), " . implode( ', ', $args ) . ' )';
- }
- }
- array_push( $stack, $result );
- break;
- case CBT_HX:
- $val = array_pop( $stack );
- array_push( $stack, "htmlspecialchars( $val )" );
- break;
- default:
- return "Unknown opcode {$op->opcode}\n";
- }
- }
- wfProfileOut( $fname );
- if ( count( $stack ) !== 1 ) {
- return "Error, stack count incorrect\n";
- }
- return '
- global $cbtExecutingGenerated;
- ++$cbtExecutingGenerated;
- $output = ' . $stack[0] . ';
- --$cbtExecutingGenerated;
- return $output;
- ';
- }
-}
+++ /dev/null
-<?php
-
-/**
- * PHP version of the callback template processor
- * This is currently used as a test rig and is likely to be used for
- * compatibility purposes later, where the C++ extension is not available.
- */
-
-define( 'CBT_WHITE', " \t\r\n" );
-define( 'CBT_BRACE', '{}' );
-define( 'CBT_DELIM', CBT_WHITE . CBT_BRACE );
-define( 'CBT_DEBUG', 0 );
-
-$GLOBALS['cbtExecutingGenerated'] = 0;
-
-/**
- * Attempting to be a MediaWiki-independent module
- */
-if ( !function_exists( 'wfProfileIn' ) ) {
- function wfProfileIn() {}
-}
-if ( !function_exists( 'wfProfileOut' ) ) {
- function wfProfileOut() {}
-}
-
-/**
- * Escape text for inclusion in template
- */
-function cbt_escape( $text ) {
- return strtr( $text, array( '{' => '{[}', '}' => '{]}' ) );
-}
-
-/**
- * Create a CBTValue
- */
-function cbt_value( $text = '', $deps = array(), $isTemplate = false ) {
- global $cbtExecutingGenerated;
- if ( $cbtExecutingGenerated ) {
- return $text;
- } else {
- return new CBTValue( $text, $deps, $isTemplate );
- }
-}
-
-/**
- * A dependency-tracking value class
- * Callback functions should return one of these, unless they have
- * no dependencies in which case they can return a string.
- */
-class CBTValue {
- var $mText, $mDeps, $mIsTemplate;
-
- /**
- * Create a new value
- * @param $text String: , default ''.
- * @param $deps Array: what this value depends on
- * @param $isTemplate Bool: whether the result needs compilation/execution, default 'false'.
- */
- function CBTValue( $text = '', $deps = array(), $isTemplate = false ) {
- $this->mText = $text;
- if ( !is_array( $deps ) ) {
- $this->mDeps = array( $deps ) ;
- } else {
- $this->mDeps = $deps;
- }
- $this->mIsTemplate = $isTemplate;
- }
-
- /** Concatenate two values, merging their dependencies */
- function cat( $val ) {
- if ( is_object( $val ) ) {
- $this->addDeps( $val );
- $this->mText .= $val->mText;
- } else {
- $this->mText .= $val;
- }
- }
-
- /** Add the dependencies of another value to this one */
- function addDeps( $values ) {
- if ( !is_array( $values ) ) {
- $this->mDeps = array_merge( $this->mDeps, $values->mDeps );
- } else {
- foreach ( $values as $val ) {
- if ( !is_object( $val ) ) {
- var_dump( debug_backtrace() );
- exit;
- }
- $this->mDeps = array_merge( $this->mDeps, $val->mDeps );
- }
- }
- }
-
- /** Remove a list of dependencies */
- function removeDeps( $deps ) {
- $this->mDeps = array_diff( $this->mDeps, $deps );
- }
-
- function setText( $text ) {
- $this->mText = $text;
- }
-
- function getText() {
- return $this->mText;
- }
-
- function getDeps() {
- return $this->mDeps;
- }
-
- /** If the value is a template, execute it */
- function execute( &$processor ) {
- if ( $this->mIsTemplate ) {
- $myProcessor = new CBTProcessor( $this->mText, $processor->mFunctionObj, $processor->mIgnorableDeps );
- $myProcessor->mCompiling = $processor->mCompiling;
- $val = $myProcessor->doText( 0, strlen( $this->mText ) );
- if ( $myProcessor->getLastError() ) {
- $processor->error( $myProcessor->getLastError() );
- $this->mText = '';
- } else {
- $this->mText = $val->mText;
- $this->addDeps( $val );
- }
- if ( !$processor->mCompiling ) {
- $this->mIsTemplate = false;
- }
- }
- }
-
- /** If the value is plain text, escape it for inclusion in a template */
- function templateEscape() {
- if ( !$this->mIsTemplate ) {
- $this->mText = cbt_escape( $this->mText );
- }
- }
-
- /** Return true if the value has no dependencies */
- function isStatic() {
- return count( $this->mDeps ) == 0;
- }
-}
-
-/**
- * Template processor, for compilation and execution
- */
-class CBTProcessor {
- var $mText, # The text being processed
- $mFunctionObj, # The object containing callback functions
- $mCompiling = false, # True if compiling to a template, false if executing to text
- $mIgnorableDeps = array(), # Dependency names which should be treated as static
- $mFunctionCache = array(), # A cache of function results keyed by argument hash
- $mLastError = false, # Last error message or false for no error
- $mErrorPos = 0, # Last error position
-
- /** Built-in functions */
- $mBuiltins = array(
- 'if' => 'bi_if',
- 'true' => 'bi_true',
- '[' => 'bi_lbrace',
- 'lbrace' => 'bi_lbrace',
- ']' => 'bi_rbrace',
- 'rbrace' => 'bi_rbrace',
- 'escape' => 'bi_escape',
- '~' => 'bi_escape',
- );
-
- /**
- * Create a template processor for a given text, callback object and static dependency list
- */
- function CBTProcessor( $text, $functionObj, $ignorableDeps = array() ) {
- $this->mText = $text;
- $this->mFunctionObj = $functionObj;
- $this->mIgnorableDeps = $ignorableDeps;
- }
-
- /**
- * Execute the template.
- * If $compile is true, produces an optimised template where functions with static
- * dependencies have been replaced by their return values.
- */
- function execute( $compile = false ) {
- $fname = 'CBTProcessor::execute';
- wfProfileIn( $fname );
- $this->mCompiling = $compile;
- $this->mLastError = false;
- $val = $this->doText( 0, strlen( $this->mText ) );
- $text = $val->getText();
- if ( $this->mLastError !== false ) {
- $pos = $this->mErrorPos;
-
- // Find the line number at which the error occurred
- $startLine = 0;
- $endLine = 0;
- $line = 0;
- do {
- if ( $endLine ) {
- $startLine = $endLine + 1;
- }
- $endLine = strpos( $this->mText, "\n", $startLine );
- ++$line;
- } while ( $endLine !== false && $endLine < $pos );
-
- $text = "Template error at line $line: $this->mLastError\n<pre>\n";
-
- $context = rtrim( str_replace( "\t", " ", substr( $this->mText, $startLine, $endLine - $startLine ) ) );
- $text .= htmlspecialchars( $context ) . "\n" . str_repeat( ' ', $pos - $startLine ) . "^\n</pre>\n";
- }
- wfProfileOut( $fname );
- return $text;
- }
-
- /** Shortcut for execute(true) */
- function compile() {
- $fname = 'CBTProcessor::compile';
- wfProfileIn( $fname );
- $s = $this->execute( true );
- wfProfileOut( $fname );
- return $s;
- }
-
- /** Shortcut for doOpenText( $start, $end, false */
- function doText( $start, $end ) {
- return $this->doOpenText( $start, $end, false );
- }
-
- /**
- * Escape text for a template if we are producing a template. Do nothing
- * if we are producing plain text.
- */
- function templateEscape( $text ) {
- if ( $this->mCompiling ) {
- return cbt_escape( $text );
- } else {
- return $text;
- }
- }
-
- /**
- * Recursive workhorse for text mode.
- *
- * Processes text mode starting from offset $p, until either $end is
- * reached or a closing brace is found. If $needClosing is false, a
- * closing brace will flag an error, if $needClosing is true, the lack
- * of a closing brace will flag an error.
- *
- * The parameter $p is advanced to the position after the closing brace,
- * or after the end. A CBTValue is returned.
- *
- * @private
- */
- function doOpenText( &$p, $end, $needClosing = true ) {
- $fname = 'CBTProcessor::doOpenText';
- wfProfileIn( $fname );
- $in =& $this->mText;
- $start = $p;
- $ret = new CBTValue( '', array(), $this->mCompiling );
-
- $foundClosing = false;
- while ( $p < $end ) {
- $matchLength = strcspn( $in, CBT_BRACE, $p, $end - $p );
- $pToken = $p + $matchLength;
-
- if ( $pToken >= $end ) {
- // No more braces, output remainder
- $ret->cat( substr( $in, $p ) );
- $p = $end;
- break;
- }
-
- // Output the text before the brace
- $ret->cat( substr( $in, $p, $matchLength ) );
-
- // Advance the pointer
- $p = $pToken + 1;
-
- // Check for closing brace
- if ( $in[$pToken] == '}' ) {
- $foundClosing = true;
- break;
- }
-
- // Handle the "{fn}" special case
- if ( $pToken > 0 && $in[$pToken-1] == '"' ) {
- wfProfileOut( $fname );
- $val = $this->doOpenFunction( $p, $end );
- wfProfileIn( $fname );
- if ( $p < $end && $in[$p] == '"' ) {
- $val->setText( htmlspecialchars( $val->getText() ) );
- }
- $ret->cat( $val );
- } else {
- // Process the function mode component
- wfProfileOut( $fname );
- $ret->cat( $this->doOpenFunction( $p, $end ) );
- wfProfileIn( $fname );
- }
- }
- if ( $foundClosing && !$needClosing ) {
- $this->error( 'Errant closing brace', $p );
- } elseif ( !$foundClosing && $needClosing ) {
- $this->error( 'Unclosed text section', $start );
- }
- wfProfileOut( $fname );
- return $ret;
- }
-
- /**
- * Recursive workhorse for function mode.
- *
- * Processes function mode starting from offset $p, until either $end is
- * reached or a closing brace is found. If $needClosing is false, a
- * closing brace will flag an error, if $needClosing is true, the lack
- * of a closing brace will flag an error.
- *
- * The parameter $p is advanced to the position after the closing brace,
- * or after the end. A CBTValue is returned.
- *
- * @private
- */
- function doOpenFunction( &$p, $end, $needClosing = true ) {
- $in =& $this->mText;
- $start = $p;
- $tokens = array();
- $unexecutedTokens = array();
-
- $foundClosing = false;
- while ( $p < $end ) {
- $char = $in[$p];
- if ( $char == '{' ) {
- // Switch to text mode
- ++$p;
- $tokenStart = $p;
- $token = $this->doOpenText( $p, $end );
- $tokens[] = $token;
- $unexecutedTokens[] = '{' . substr( $in, $tokenStart, $p - $tokenStart - 1 ) . '}';
- } elseif ( $char == '}' ) {
- // Block end
- ++$p;
- $foundClosing = true;
- break;
- } elseif ( false !== strpos( CBT_WHITE, $char ) ) {
- // Whitespace
- // Consume the rest of the whitespace
- $p += strspn( $in, CBT_WHITE, $p, $end - $p );
- } else {
- // Token, find the end of it
- $tokenLength = strcspn( $in, CBT_DELIM, $p, $end - $p );
- $token = new CBTValue( substr( $in, $p, $tokenLength ) );
- // Execute the token as a function if it's not the function name
- if ( count( $tokens ) ) {
- $tokens[] = $this->doFunction( array( $token ), $p );
- } else {
- $tokens[] = $token;
- }
- $unexecutedTokens[] = $token->getText();
-
- $p += $tokenLength;
- }
- }
- if ( !$foundClosing && $needClosing ) {
- $this->error( 'Unclosed function', $start );
- return '';
- }
-
- $val = $this->doFunction( $tokens, $start );
- if ( $this->mCompiling && !$val->isStatic() ) {
- $compiled = '';
- $first = true;
- foreach( $tokens as $i => $token ) {
- if ( $first ) {
- $first = false;
- } else {
- $compiled .= ' ';
- }
- if ( $token->isStatic() ) {
- if ( $i !== 0 ) {
- $compiled .= '{' . $token->getText() . '}';
- } else {
- $compiled .= $token->getText();
- }
- } else {
- $compiled .= $unexecutedTokens[$i];
- }
- }
-
- // The dynamic parts of the string are still represented as functions, and
- // function invocations have no dependencies. Thus the compiled result has
- // no dependencies.
- $val = new CBTValue( "{{$compiled}}", array(), true );
- }
- return $val;
- }
-
- /**
- * Execute a function, caching and returning the result value.
- * $tokens is an array of CBTValue objects. $tokens[0] is the function
- * name, the others are arguments. $p is the string position, and is used
- * for error messages only.
- */
- function doFunction( $tokens, $p ) {
- if ( count( $tokens ) == 0 ) {
- return new CBTValue;
- }
- $fname = 'CBTProcessor::doFunction';
- wfProfileIn( $fname );
-
- $ret = new CBTValue;
-
- // All functions implicitly depend on their arguments, and the function name
- // While this is not strictly necessary for all functions, it's true almost
- // all the time and so convenient to do automatically.
- $ret->addDeps( $tokens );
-
- $this->mCurrentPos = $p;
- $func = array_shift( $tokens );
- $func = $func->getText();
-
- // Extract the text component from all the tokens
- // And convert any templates to plain text
- $textArgs = array();
- foreach ( $tokens as $token ) {
- $token->execute( $this );
- $textArgs[] = $token->getText();
- }
-
- // Try the local cache
- $cacheKey = $func . "\n" . implode( "\n", $textArgs );
- if ( isset( $this->mFunctionCache[$cacheKey] ) ) {
- $val = $this->mFunctionCache[$cacheKey];
- } elseif ( isset( $this->mBuiltins[$func] ) ) {
- $func = $this->mBuiltins[$func];
- $val = call_user_func_array( array( &$this, $func ), $tokens );
- $this->mFunctionCache[$cacheKey] = $val;
- } elseif ( method_exists( $this->mFunctionObj, $func ) ) {
- $profName = get_class( $this->mFunctionObj ) . '::' . $func;
- wfProfileIn( "$fname-callback" );
- wfProfileIn( $profName );
- $val = call_user_func_array( array( &$this->mFunctionObj, $func ), $textArgs );
- wfProfileOut( $profName );
- wfProfileOut( "$fname-callback" );
- $this->mFunctionCache[$cacheKey] = $val;
- } else {
- $this->error( "Call of undefined function \"$func\"", $p );
- $val = new CBTValue;
- }
- if ( !is_object( $val ) ) {
- $val = new CBTValue((string)$val);
- }
-
- if ( CBT_DEBUG ) {
- $unexpanded = $val;
- }
-
- // If the output was a template, execute it
- $val->execute( $this );
-
- if ( $this->mCompiling ) {
- // Escape any braces so that the output will be a valid template
- $val->templateEscape();
- }
- $val->removeDeps( $this->mIgnorableDeps );
- $ret->addDeps( $val );
- $ret->setText( $val->getText() );
-
- if ( CBT_DEBUG ) {
- wfDebug( "doFunction $func args = "
- . var_export( $tokens, true )
- . "unexpanded return = "
- . var_export( $unexpanded, true )
- . "expanded return = "
- . var_export( $ret, true )
- );
- }
-
- wfProfileOut( $fname );
- return $ret;
- }
-
- /**
- * Set a flag indicating that an error has been found.
- */
- function error( $text, $pos = false ) {
- $this->mLastError = $text;
- if ( $pos === false ) {
- $this->mErrorPos = $this->mCurrentPos;
- } else {
- $this->mErrorPos = $pos;
- }
- }
-
- function getLastError() {
- return $this->mLastError;
- }
-
- /** 'if' built-in function */
- function bi_if( $condition, $trueBlock, $falseBlock = null ) {
- if ( is_null( $condition ) ) {
- $this->error( "Missing condition in if" );
- return '';
- }
-
- if ( $condition->getText() != '' ) {
- return new CBTValue( $trueBlock->getText(),
- array_merge( $condition->getDeps(), $trueBlock->getDeps() ),
- $trueBlock->mIsTemplate );
- } else {
- if ( !is_null( $falseBlock ) ) {
- return new CBTValue( $falseBlock->getText(),
- array_merge( $condition->getDeps(), $falseBlock->getDeps() ),
- $falseBlock->mIsTemplate );
- } else {
- return new CBTValue( '', $condition->getDeps() );
- }
- }
- }
-
- /** 'true' built-in function */
- function bi_true() {
- return "true";
- }
-
- /** left brace built-in */
- function bi_lbrace() {
- return '{';
- }
-
- /** right brace built-in */
- function bi_rbrace() {
- return '}';
- }
-
- /**
- * escape built-in.
- * Escape text for inclusion in an HTML attribute
- */
- function bi_escape( $val ) {
- return new CBTValue( htmlspecialchars( $val->getText() ), $val->getDeps() );
- }
-}
+++ /dev/null
-<?php
-
-if ( !defined( 'MEDIAWIKI' ) ) {
- die( "This file is part of MediaWiki, it is not a valid entry point\n" );
-}
-
-require_once( 'includes/cbt/CBTProcessor.php' );
-require_once( 'includes/cbt/CBTCompiler.php' );
-require_once( 'includes/SkinTemplate.php' );
-
-/**
- * MonoBook clone using the new dependency-tracking template processor.
- * EXPERIMENTAL - use only for testing and profiling at this stage.
- *
- * See includes/cbt/README for an explanation.
- *
- * The main thing that's missing is cache invalidation, on change of:
- * * messages
- * * user preferences
- * * source template
- * * source code and configuration files
- *
- * The other thing is that lots of dependencies that are declared in the callbacks
- * are not intelligently handled. There's some room for improvement there.
- *
- * The class is derived from SkinTemplate, but that's only temporary. Eventually
- * it'll be derived from Skin, and I've avoided using SkinTemplate functions as
- * much as possible. In fact, the only SkinTemplate dependencies I know of at the
- * moment are the functions to generate the gen=css and gen=js files.
- *
- */
-class SkinMonoBookCBT extends SkinTemplate {
- var $mOut, $mTitle;
- var $mStyleName = 'monobook';
- var $mCompiling = false;
- var $mFunctionCache = array();
-
- /******************************************************
- * General functions *
- ******************************************************/
-
- /** Execute the template and write out the result */
- function outputPage( &$out ) {
- echo $this->execute( $out );
- }
-
- function execute( &$out ) {
- global $wgTitle, $wgStyleDirectory, $wgParserCacheType;
- $fname = 'SkinMonoBookCBT::execute';
- wfProfileIn( $fname );
- wfProfileIn( "$fname-setup" );
- Skin::initPage( $out );
-
- $this->mOut =& $out;
- $this->mTitle =& $wgTitle;
-
- $sourceFile = "$wgStyleDirectory/MonoBook.tpl";
-
- wfProfileOut( "$fname-setup" );
-
- if ( $wgParserCacheType == CACHE_NONE ) {
- $template = file_get_contents( $sourceFile );
- $text = $this->executeTemplate( $template );
- } else {
- $compiled = $this->getCompiledTemplate( $sourceFile );
-
- wfProfileIn( "$fname-eval" );
- $text = eval( $compiled );
- wfProfileOut( "$fname-eval" );
- }
- wfProfileOut( $fname );
- return $text;
- }
-
- function getCompiledTemplate( $sourceFile ) {
- global $wgDBname, $wgMemc, $wgRequest, $wgUser, $parserMemc;
- $fname = 'SkinMonoBookCBT::getCompiledTemplate';
-
- $expiry = 3600;
-
- // Sandbox template execution
- if ( $this->mCompiling ) {
- return;
- }
-
- wfProfileIn( $fname );
-
- // Is the request an ordinary page view?
- if ( $wgRequest->wasPosted() ||
- count( array_diff( array_keys( $_GET ), array( 'title', 'useskin', 'recompile' ) ) ) != 0 )
- {
- $type = 'nonview';
- } else {
- $type = 'view';
- }
-
- // Per-user compiled template
- // Put all logged-out users on the same cache key
- $cacheKey = "$wgDBname:monobookcbt:$type:" . $wgUser->getId();
-
- $recompile = $wgRequest->getVal( 'recompile' );
- if ( $recompile == 'user' ) {
- $recompileUser = true;
- $recompileGeneric = false;
- } elseif ( $recompile ) {
- $recompileUser = true;
- $recompileGeneric = true;
- } else {
- $recompileUser = false;
- $recompileGeneric = false;
- }
-
- if ( !$recompileUser ) {
- $php = $parserMemc->get( $cacheKey );
- }
- if ( $recompileUser || !$php ) {
- if ( $wgUser->isLoggedIn() ) {
- // Perform staged compilation
- // First compile a generic template for all logged-in users
- $genericKey = "$wgDBname:monobookcbt:$type:loggedin";
- if ( !$recompileGeneric ) {
- $template = $parserMemc->get( $genericKey );
- }
- if ( $recompileGeneric || !$template ) {
- $template = file_get_contents( $sourceFile );
- $ignore = array( 'loggedin', '!loggedin dynamic' );
- if ( $type == 'view' ) {
- $ignore[] = 'nonview dynamic';
- }
- $template = $this->compileTemplate( $template, $ignore );
- $parserMemc->set( $genericKey, $template, $expiry );
- }
- } else {
- $template = file_get_contents( $sourceFile );
- }
-
- $ignore = array( 'lang', 'loggedin', 'user' );
- if ( $wgUser->isLoggedIn() ) {
- $ignore[] = '!loggedin dynamic';
- } else {
- $ignore[] = 'loggedin dynamic';
- }
- if ( $type == 'view' ) {
- $ignore[] = 'nonview dynamic';
- }
- $compiled = $this->compileTemplate( $template, $ignore );
-
- // Reduce whitespace
- // This is done here instead of in CBTProcessor because we can be
- // more sure it is safe here.
- $compiled = preg_replace( '/^[ \t]+/m', '', $compiled );
- $compiled = preg_replace( '/[\r\n]+/', "\n", $compiled );
-
- // Compile to PHP
- $compiler = new CBTCompiler( $compiled );
- $ret = $compiler->compile();
- if ( $ret !== true ) {
- echo $ret;
- wfErrorExit();
- }
- $php = $compiler->generatePHP( '$this' );
-
- $parserMemc->set( $cacheKey, $php, $expiry );
- }
- wfProfileOut( $fname );
- return $php;
- }
-
- function compileTemplate( $template, $ignore ) {
- $tp = new CBTProcessor( $template, $this, $ignore );
- $tp->mFunctionCache = $this->mFunctionCache;
-
- $this->mCompiling = true;
- $compiled = $tp->compile();
- $this->mCompiling = false;
-
- if ( $tp->getLastError() ) {
- // If there was a compile error, don't save the template
- // Instead just print the error and exit
- echo $compiled;
- wfErrorExit();
- }
- $this->mFunctionCache = $tp->mFunctionCache;
- return $compiled;
- }
-
- function executeTemplate( $template ) {
- $fname = 'SkinMonoBookCBT::executeTemplate';
- wfProfileIn( $fname );
- $tp = new CBTProcessor( $template, $this );
- $tp->mFunctionCache = $this->mFunctionCache;
-
- $this->mCompiling = true;
- $text = $tp->execute();
- $this->mCompiling = false;
-
- $this->mFunctionCache = $tp->mFunctionCache;
- wfProfileOut( $fname );
- return $text;
- }
-
- /******************************************************
- * Callbacks *
- ******************************************************/
-
- function lang() { return $GLOBALS['wgContLanguageCode']; }
-
- function dir() {
- global $wgContLang;
- return $wgContLang->isRTL() ? 'rtl' : 'ltr';
- }
-
- function mimetype() { return $GLOBALS['wgMimeType']; }
- function charset() { return $GLOBALS['wgOutputEncoding']; }
- function headlinks() {
- return cbt_value( $this->mOut->getHeadLinks(), 'dynamic' );
- }
- function headscripts() {
- return cbt_value( $this->mOut->getScript(), 'dynamic' );
- }
-
- function pagetitle() {
- return cbt_value( $this->mOut->getHTMLTitle(), array( 'title', 'lang' ) );
- }
-
- function stylepath() { return $GLOBALS['wgStylePath']; }
- function stylename() { return $this->mStyleName; }
-
- function notprintable() {
- global $wgRequest;
- return cbt_value( !$wgRequest->getBool( 'printable' ), 'nonview dynamic' );
- }
-
- function jsmimetype() { return $GLOBALS['wgJsMimeType']; }
-
- function jsvarurl() {
- global $wgUseSiteJs, $wgUser;
- if ( !$wgUseSiteJs ) return '';
-
- if ( $wgUser->isLoggedIn() ) {
- $url = self::makeUrl( '-','action=raw&smaxage=0&gen=js' );
- } else {
- $url = self::makeUrl( '-','action=raw&gen=js' );
- }
- return cbt_value( $url, 'loggedin' );
- }
-
- function pagecss() {
- global $wgHooks;
-
- $out = false;
- wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
-
- // Unknown dependencies
- return cbt_value( $out, 'dynamic' );
- }
-
- function usercss() {
- if ( $this->isCssPreview() ) {
- global $wgRequest;
- $usercss = $this->makeStylesheetCdata( $wgRequest->getText('wpTextbox1') );
- } else {
- $usercss = $this->makeStylesheetLink( self::makeUrl($this->getUserPageText() .
- '/'.$this->mStyleName.'.css', 'action=raw&ctype=text/css' ) );
- }
-
- // Dynamic when not an ordinary page view, also depends on the username
- return cbt_value( $usercss, array( 'nonview dynamic', 'user' ) );
- }
-
- function sitecss() {
- global $wgUseSiteCss;
- if ( !$wgUseSiteCss ) {
- return '';
- }
-
- global $wgSquidMaxage, $wgContLang, $wgStylePath;
-
- $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
-
- $sitecss = '';
- if ( $wgContLang->isRTL() ) {
- $sitecss .= $this->makeStylesheetLink( $wgStylePath . '/' . $this->mStyleName . '/rtl.css' ) . "\n";
- }
-
- $sitecss .= $this->makeStylesheetLink( self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) ) . "\n";
- $sitecss .= $this->makeStylesheetLink( self::makeNSUrl( ucfirst( $this->mStyleName ) . '.css', $query, NS_MEDIAWIKI ) ) . "\n";
-
- // No deps
- return $sitecss;
- }
-
- function gencss() {
- global $wgUseSiteCss;
- if ( !$wgUseSiteCss ) return '';
-
- global $wgSquidMaxage, $wgUser, $wgAllowUserCss;
- if ( $this->isCssPreview() ) {
- $siteargs = '&smaxage=0&maxage=0';
- } else {
- $siteargs = '&maxage=' . $wgSquidMaxage;
- }
- if ( $wgAllowUserCss && $wgUser->isLoggedIn() ) {
- $siteargs .= '&ts={user_touched}';
- $isTemplate = true;
- } else {
- $isTemplate = false;
- }
-
- $link = $this->makeStylesheetLink( self::makeUrl('-','action=raw&gen=css' . $siteargs) ) . "\n";
-
- if ( $wgAllowUserCss ) {
- $deps = 'loggedin';
- } else {
- $deps = array();
- }
- return cbt_value( $link, $deps, $isTemplate );
- }
-
- function user_touched() {
- global $wgUser;
- return cbt_value( $wgUser->mTouched, 'dynamic' );
- }
-
- function userjs() {
- global $wgAllowUserJs, $wgJsMimeType;
- if ( !$wgAllowUserJs ) return '';
-
- if ( $this->isJsPreview() ) {
- $url = '';
- } else {
- $url = self::makeUrl($this->getUserPageText().'/'.$this->mStyleName.'.js', 'action=raw&ctype='.$wgJsMimeType.'&dontcountme=s');
- }
- return cbt_value( $url, array( 'nonview dynamic', 'user' ) );
- }
-
- function userjsprev() {
- global $wgAllowUserJs, $wgRequest;
- if ( !$wgAllowUserJs ) return '';
- if ( $this->isJsPreview() ) {
- $js = '/*<![CDATA[*/ ' . $wgRequest->getText('wpTextbox1') . ' /*]]>*/';
- } else {
- $js = '';
- }
- return cbt_value( $js, array( 'nonview dynamic' ) );
- }
-
- function trackbackhtml() {
- global $wgUseTrackbacks;
- if ( !$wgUseTrackbacks ) return '';
-
- if ( $this->mOut->isArticleRelated() ) {
- $tb = $this->mTitle->trackbackRDF();
- } else {
- $tb = '';
- }
- return cbt_value( $tb, 'dynamic' );
- }
-
- function body_ondblclick() {
- global $wgUser;
- if( $this->isEditable() && $wgUser->getOption("editondblclick") ) {
- $js = 'document.location = "' . $this->getEditUrl() .'";';
- } else {
- $js = '';
- }
-
- if ( User::getDefaultOption('editondblclick') ) {
- return cbt_value( $js, 'user', 'title' );
- } else {
- // Optimise away for logged-out users
- return cbt_value( $js, 'loggedin dynamic' );
- }
- }
-
- function body_onload() {
- global $wgUser;
- if ( $this->isEditable() && $wgUser->getOption( 'editsectiononrightclick' ) ) {
- $js = 'setupRightClickEdit()';
- } else {
- $js = '';
- }
- return cbt_value( $js, 'loggedin dynamic' );
- }
-
- function nsclass() {
- return cbt_value( 'ns-' . $this->mTitle->getNamespace(), 'title' );
- }
-
- function sitenotice() {
- // Perhaps this could be given special dependencies using our knowledge of what
- // wfGetSiteNotice() depends on.
- return cbt_value( wfGetSiteNotice(), 'dynamic' );
- }
-
- function title() {
- return cbt_value( $this->mOut->getPageTitle(), array( 'title', 'lang' ) );
- }
-
- function title_urlform() {
- return cbt_value( $this->getThisTitleUrlForm(), 'title' );
- }
-
- function title_userurl() {
- return cbt_value( urlencode( $this->mTitle->getDBkey() ), 'title' );
- }
-
- function subtitle() {
- $subpagestr = $this->subPageSubtitle();
- if ( !empty( $subpagestr ) ) {
- $s = '<span class="subpages">'.$subpagestr.'</span>'.$this->mOut->getSubtitle();
- } else {
- $s = $this->mOut->getSubtitle();
- }
- return cbt_value( $s, array( 'title', 'nonview dynamic' ) );
- }
-
- function undelete() {
- return cbt_value( $this->getUndeleteLink(), array( 'title', 'lang' ) );
- }
-
- function newtalk() {
- global $wgUser, $wgDBname;
- $newtalks = $wgUser->getNewMessageLinks();
-
- if (count($newtalks) == 1 && $newtalks[0]["wiki"] === $wgDBname) {
- $usertitle = $this->getUserPageTitle();
- $usertalktitle = $usertitle->getTalkPage();
-
- if( !$usertalktitle->equals( $this->mTitle ) ) {
- $newmessageslink = $this->link(
- $usertalktitle,
- wfMsgHtml( 'newmessageslink' ),
- array(),
- array( 'redirect' => 'no' ),
- array( 'known', 'noclasses' )
- );
-
- $newmessagesdifflink = $this->link(
- $usertalktitle,
- wfMsgHtml( 'newmessagesdifflink' ),
- array(),
- array( 'diff' => 'cur' ),
- array( 'known', 'noclasses' )
- );
-
- $ntl = wfMsg(
- 'youhavenewmessages',
- $newmessageslink,
- $newmessagesdifflink
- );
-
- # Disable Cache
- $this->mOut->setSquidMaxage(0);
- }
- } else if (count($newtalks)) {
- $sep = str_replace("_", " ", wfMsgHtml("newtalkseparator"));
- $msgs = array();
- foreach ($newtalks as $newtalk) {
- $msgs[] = wfElement("a",
- array('href' => $newtalk["link"]), $newtalk["wiki"]);
- }
- $parts = implode($sep, $msgs);
- $ntl = wfMsgHtml('youhavenewmessagesmulti', $parts);
- $this->mOut->setSquidMaxage(0);
- } else {
- $ntl = '';
- }
- return cbt_value( $ntl, 'dynamic' );
- }
-
- function showjumplinks() {
- global $wgUser;
- return cbt_value( $wgUser->getOption( 'showjumplinks' ) ? 'true' : '', 'user' );
- }
-
- function bodytext() {
- return cbt_value( $this->mOut->getHTML(), 'dynamic' );
- }
-
- function catlinks() {
- if ( !isset( $this->mCatlinks ) ) {
- $this->mCatlinks = $this->getCategories();
- }
- return cbt_value( $this->mCatlinks, 'dynamic' );
- }
-
- function extratabs( $itemTemplate ) {
- global $wgContLang, $wgDisableLangConversion;
-
- $etpl = cbt_escape( $itemTemplate );
-
- /* show links to different language variants */
- $variants = $wgContLang->getVariants();
- $s = '';
- if ( !$wgDisableLangConversion && count( $wgContLang->getVariants() ) > 1 ) {
- $vcount=0;
- foreach ( $variants as $code ) {
- $name = $wgContLang->getVariantname( $code );
- if ( $name == 'disable' ) {
- continue;
- }
- $code = cbt_escape( $code );
- $name = cbt_escape( $name );
- $s .= "{ca_variant {{$code}} {{$name}} {{$vcount}} {{$etpl}}}\n";
- $vcount ++;
- }
- }
- return cbt_value( $s, array(), true );
- }
-
- function is_special() { return cbt_value( $this->mTitle->getNamespace() == NS_SPECIAL, 'title' ); }
- function can_edit() { return cbt_value( (string)($this->mTitle->userCan( 'edit' )), 'dynamic' ); }
- function can_move() { return cbt_value( (string)($this->mTitle->userCan( 'move' )), 'dynamic' ); }
- function is_talk() { return cbt_value( (string)($this->mTitle->isTalkPage()), 'title' ); }
- function is_protected() { return cbt_value( (string)$this->mTitle->isProtected(), 'dynamic' ); }
- function nskey() { return cbt_value( $this->mTitle->getNamespaceKey(), 'title' ); }
-
- function request_url() {
- global $wgRequest;
- return cbt_value( $wgRequest->getRequestURL(), 'dynamic' );
- }
-
- function subject_url() {
- $title = $this->getSubjectPage();
- if ( $title->exists() ) {
- $url = $title->getLocalUrl();
- } else {
- $url = $title->getLocalUrl( 'action=edit' );
- }
- return cbt_value( $url, 'title' );
- }
-
- function talk_url() {
- $title = $this->getTalkPage();
- if ( $title->exists() ) {
- $url = $title->getLocalUrl();
- } else {
- $url = $title->getLocalUrl( 'action=edit' );
- }
- return cbt_value( $url, 'title' );
- }
-
- function edit_url() {
- return cbt_value( $this->getEditUrl(), array( 'title', 'nonview dynamic' ) );
- }
-
- function move_url() {
- return cbt_value( $this->makeSpecialParamUrl( 'Movepage' ), array(), true );
- }
-
- function localurl( $query ) {
- return cbt_value( $this->mTitle->getLocalURL( $query ), 'title' );
- }
-
- function selecttab( $tab, $extraclass = '' ) {
- if ( !isset( $this->mSelectedTab ) ) {
- $prevent_active_tabs = false ;
- wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this , &$preventActiveTabs ) );
-
- $actionTabs = array(
- 'edit' => 'edit',
- 'submit' => 'edit',
- 'history' => 'history',
- 'protect' => 'protect',
- 'unprotect' => 'protect',
- 'delete' => 'delete',
- 'watch' => 'watch',
- 'unwatch' => 'watch',
- );
- if ( $preventActiveTabs ) {
- $this->mSelectedTab = false;
- } else {
- $action = $this->getAction();
- $section = $this->getSection();
-
- if ( isset( $actionTabs[$action] ) ) {
- $this->mSelectedTab = $actionTabs[$action];
-
- if ( $this->mSelectedTab == 'edit' && $section == 'new' ) {
- $this->mSelectedTab = 'addsection';
- }
- } elseif ( $this->mTitle->isTalkPage() ) {
- $this->mSelectedTab = 'talk';
- } else {
- $this->mSelectedTab = 'subject';
- }
- }
- }
- if ( $extraclass ) {
- if ( $this->mSelectedTab == $tab ) {
- $s = 'class="selected ' . htmlspecialchars( $extraclass ) . '"';
- } else {
- $s = 'class="' . htmlspecialchars( $extraclass ) . '"';
- }
- } else {
- if ( $this->mSelectedTab == $tab ) {
- $s = 'class="selected"';
- } else {
- $s = '';
- }
- }
- return cbt_value( $s, array( 'nonview dynamic', 'title' ) );
- }
-
- function subject_newclass() {
- $title = $this->getSubjectPage();
- $class = $title->exists() ? '' : 'new';
- return cbt_value( $class, 'dynamic' );
- }
-
- function talk_newclass() {
- $title = $this->getTalkPage();
- $class = $title->exists() ? '' : 'new';
- return cbt_value( $class, 'dynamic' );
- }
-
- function ca_variant( $code, $name, $index, $template ) {
- global $wgContLang;
- $selected = ($code == $wgContLang->getPreferredVariant());
- $action = $this->getAction();
- $actstr = '';
- if( $action )
- $actstr = 'action=' . $action . '&';
- $s = strtr( $template, array(
- '$id' => htmlspecialchars( 'varlang-' . $index ),
- '$class' => $selected ? 'class="selected"' : '',
- '$text' => $name,
- '$href' => htmlspecialchars( $this->mTitle->getLocalUrl( $actstr . 'variant=' . $code ) )
- ));
- return cbt_value( $s, 'dynamic' );
- }
-
- function is_watching() {
- return cbt_value( (string)$this->mTitle->userIsWatching(), array( 'dynamic' ) );
- }
-
-
- function personal_urls( $itemTemplate ) {
- global $wgShowIPinHeader, $wgContLang;
-
- # Split this function up into many small functions, to obtain the
- # best specificity in the dependencies of each one. The template below
- # has no dependencies, so its generation, and any static subfunctions,
- # can be optimised away.
- $etpl = cbt_escape( $itemTemplate );
- $s = "
- {userpage {{$etpl}}}
- {mytalk {{$etpl}}}
- {preferences {{$etpl}}}
- {watchlist {{$etpl}}}
- {mycontris {{$etpl}}}
- {logout {{$etpl}}}
- ";
-
- if ( $wgShowIPinHeader ) {
- $s .= "
- {anonuserpage {{$etpl}}}
- {anontalk {{$etpl}}}
- {anonlogin {{$etpl}}}
- ";
- } else {
- $s .= "{login {{$etpl}}}\n";
- }
- // No dependencies
- return cbt_value( $s, array(), true /*this is a template*/ );
- }
-
- function userpage( $itemTemplate ) {
- global $wgUser;
- if ( $this->isLoggedIn() ) {
- $userPage = $this->getUserPageTitle();
- $s = $this->makeTemplateLink( $itemTemplate, 'userpage', $userPage, $wgUser->getName() );
- } else {
- $s = '';
- }
- return cbt_value( $s, 'user' );
- }
-
- function mytalk( $itemTemplate ) {
- global $wgUser;
- if ( $this->isLoggedIn() ) {
- $userPage = $this->getUserPageTitle();
- $talkPage = $userPage->getTalkPage();
- $s = $this->makeTemplateLink( $itemTemplate, 'mytalk', $talkPage, wfMsg('mytalk') );
- } else {
- $s = '';
- }
- return cbt_value( $s, 'user' );
- }
-
- function preferences( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = $this->makeSpecialTemplateLink( $itemTemplate, 'preferences',
- 'Preferences', wfMsg( 'preferences' ) );
- } else {
- $s = '';
- }
- return cbt_value( $s, array( 'loggedin', 'lang' ) );
- }
-
- function watchlist( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = $this->makeSpecialTemplateLink( $itemTemplate, 'watchlist',
- 'Watchlist', wfMsg( 'watchlist' ) );
- } else {
- $s = '';
- }
- return cbt_value( $s, array( 'loggedin', 'lang' ) );
- }
-
- function mycontris( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- global $wgUser;
- $s = $this->makeSpecialTemplateLink( $itemTemplate, 'mycontris',
- "Contributions/" . $wgUser->getTitleKey(), wfMsg('mycontris') );
- } else {
- $s = '';
- }
- return cbt_value( $s, 'user' );
- }
-
- function logout( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = $this->makeSpecialTemplateLink( $itemTemplate, 'logout',
- 'Userlogout', wfMsg( 'userlogout' ),
- $this->mTitle->getNamespace() === NS_SPECIAL && $this->mTitle->getText() === 'Preferences'
- ? '' : "returnto=" . $this->mTitle->getPrefixedURL() );
- } else {
- $s = '';
- }
- return cbt_value( $s, 'loggedin dynamic' );
- }
-
- function anonuserpage( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = '';
- } else {
- global $wgUser;
- $userPage = $this->getUserPageTitle();
- $s = $this->makeTemplateLink( $itemTemplate, 'userpage', $userPage, $wgUser->getName() );
- }
- return cbt_value( $s, '!loggedin dynamic' );
- }
-
- function anontalk( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = '';
- } else {
- $userPage = $this->getUserPageTitle();
- $talkPage = $userPage->getTalkPage();
- $s = $this->makeTemplateLink( $itemTemplate, 'mytalk', $talkPage, wfMsg('anontalk') );
- }
- return cbt_value( $s, '!loggedin dynamic' );
- }
-
- function anonlogin( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = '';
- } else {
- $s = $this->makeSpecialTemplateLink( $itemTemplate, 'anonlogin', 'Userlogin',
- wfMsg( 'userlogin' ), 'returnto=' . urlencode( $this->getThisPDBK() ) );
- }
- return cbt_value( $s, '!loggedin dynamic' );
- }
-
- function login( $itemTemplate ) {
- if ( $this->isLoggedIn() ) {
- $s = '';
- } else {
- $s = $this->makeSpecialTemplateLink( $itemTemplate, 'login', 'Userlogin',
- wfMsg( 'userlogin' ), 'returnto=' . urlencode( $this->getThisPDBK() ) );
- }
- return cbt_value( $s, '!loggedin dynamic' );
- }
-
- function logopath() { return $GLOBALS['wgLogo']; }
- function mainpage() { return self::makeMainPageUrl(); }
-
- function sidebar( $startSection, $endSection, $innerTpl ) {
- $s = '';
- $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
- $firstSection = true;
- foreach ($lines as $line) {
- if (strpos($line, '*') !== 0)
- continue;
- if (strpos($line, '**') !== 0) {
- $bar = trim($line, '* ');
- $name = wfMsg( $bar );
- if (wfEmptyMsg($bar, $name)) {
- $name = $bar;
- }
- if ( $firstSection ) {
- $firstSection = false;
- } else {
- $s .= $endSection;
- }
- $s .= strtr( $startSection,
- array(
- '$bar' => htmlspecialchars( $bar ),
- '$barname' => $name
- ) );
- } else {
- if (strpos($line, '|') !== false) { // sanity check
- $line = explode( '|' , trim($line, '* '), 2 );
- $link = wfMsgForContent( $line[0] );
- if ($link == '-')
- continue;
- if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
- $text = $line[1];
- if (wfEmptyMsg($line[0], $link))
- $link = $line[0];
- $href = self::makeInternalOrExternalUrl( $link );
-
- $s .= strtr( $innerTpl,
- array(
- '$text' => htmlspecialchars( $text ),
- '$href' => htmlspecialchars( $href ),
- '$id' => htmlspecialchars( 'n-' . strtr($line[1], ' ', '-') ),
- '$classactive' => ''
- ) );
- } else { continue; }
- }
- }
- if ( !$firstSection ) {
- $s .= $endSection;
- }
-
- // Depends on user language only
- return cbt_value( $s, 'lang' );
- }
-
- function searchaction() {
- // Static link
- return $this->getSearchLink();
- }
-
- function search() {
- global $wgRequest;
- return cbt_value( trim( $this->getSearch() ), 'special dynamic' );
- }
-
- function notspecialpage() {
- return cbt_value( $this->mTitle->getNamespace() != NS_SPECIAL, 'special' );
- }
-
- function nav_whatlinkshere() {
- return cbt_value( $this->makeSpecialParamUrl('Whatlinkshere' ), array(), true );
- }
-
- function article_exists() {
- return cbt_value( (string)($this->mTitle->getArticleId() !== 0), 'title' );
- }
-
- function nav_recentchangeslinked() {
- return cbt_value( $this->makeSpecialParamUrl('Recentchangeslinked' ), array(), true );
- }
-
- function feeds( $itemTemplate = '' ) {
- if ( !$this->mOut->isSyndicated() ) {
- $feeds = '';
- } elseif ( $itemTemplate == '' ) {
- // boolean only required
- $feeds = 'true';
- } else {
- $feeds = '';
- global $wgFeedClasses, $wgRequest;
- foreach( $wgFeedClasses as $format => $class ) {
- $feeds .= strtr( $itemTemplate,
- array(
- '$key' => htmlspecialchars( $format ),
- '$text' => $format,
- '$href' => $wgRequest->appendQuery( "feed=$format" )
- ) );
- }
- }
- return cbt_value( $feeds, 'special dynamic' );
- }
-
- function is_userpage() {
- list( $id, $ip ) = $this->getUserPageIdIp();
- return cbt_value( (string)($id || $ip), 'title' );
- }
-
- function is_ns_mediawiki() {
- return cbt_value( (string)$this->mTitle->getNamespace() == NS_MEDIAWIKI, 'title' );
- }
-
- function is_loggedin() {
- global $wgUser;
- return cbt_value( (string)($wgUser->isLoggedIn()), 'loggedin' );
- }
-
- function nav_contributions() {
- $url = $this->makeSpecialParamUrl( 'Contributions', '', '{title_userurl}' );
- return cbt_value( $url, array(), true );
- }
-
- function is_allowed( $right ) {
- global $wgUser;
- return cbt_value( (string)$wgUser->isAllowed( $right ), 'user' );
- }
-
- function nav_blockip() {
- $url = $this->makeSpecialParamUrl( 'Blockip', '', '{title_userurl}' );
- return cbt_value( $url, array(), true );
- }
-
- function nav_emailuser() {
- global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
- if ( !$wgEnableEmail || !$wgEnableUserEmail ) return '';
-
- $url = $this->makeSpecialParamUrl( 'Emailuser', '', '{title_userurl}' );
- return cbt_value( $url, array(), true );
- }
-
- function nav_upload() {
- global $wgEnableUploads, $wgUploadNavigationUrl;
- if ( !$wgEnableUploads ) {
- return '';
- } elseif ( $wgUploadNavigationUrl ) {
- return $wgUploadNavigationUrl;
- } else {
- return self::makeSpecialUrl('Upload');
- }
- }
-
- function nav_specialpages() {
- return self::makeSpecialUrl('Specialpages');
- }
-
- function nav_print() {
- global $wgRequest, $wgArticle;
- $action = $this->getAction();
- $url = '';
- if( $this->mTitle->getNamespace() !== NS_SPECIAL
- && ($action == '' || $action == 'view' || $action == 'purge' ) )
- {
- $revid = $wgArticle->getLatest();
- if ( $revid != 0 ) {
- $url = $wgRequest->appendQuery( 'printable=yes' );
- }
- }
- return cbt_value( $url, array( 'nonview dynamic', 'title' ) );
- }
-
- function nav_permalink() {
- $url = (string)$this->getPermalink();
- return cbt_value( $url, 'dynamic' );
- }
-
- function nav_trackbacklink() {
- global $wgUseTrackbacks;
- if ( !$wgUseTrackbacks ) return '';
-
- return cbt_value( $this->mTitle->trackbackURL(), 'title' );
- }
-
- function is_permalink() {
- return cbt_value( (string)($this->getPermalink() === false), 'nonview dynamic' );
- }
-
- function toolboxend() {
- // This is where the MonoBookTemplateToolboxEnd hook went in the old skin
- return '';
- }
-
- function language_urls( $outer, $inner ) {
- global $wgHideInterlanguageLinks, $wgOut, $wgContLang;
- if ( $wgHideInterlanguageLinks ) return '';
-
- $links = $wgOut->getLanguageLinks();
- $s = '';
- if ( count( $links ) ) {
- foreach( $links as $l ) {
- $tmp = explode( ':', $l, 2 );
- $nt = Title::newFromText( $l );
- $s .= strtr( $inner,
- array(
- '$class' => htmlspecialchars( 'interwiki-' . $tmp[0] ),
- '$href' => htmlspecialchars( $nt->getFullURL() ),
- '$text' => ($wgContLang->getLanguageName( $nt->getInterwiki() ) != ''?
- $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
- )
- );
- }
- $s = str_replace( '$body', $s, $outer );
- }
- return cbt_value( $s, 'dynamic' );
- }
-
- function poweredbyico() { return $this->getPoweredBy(); }
- function copyrightico() { return $this->getCopyrightIcon(); }
-
- function lastmod() {
- global $wgMaxCredits;
- if ( $wgMaxCredits ) return '';
-
- if ( !isset( $this->mLastmod ) ) {
- if ( $this->isCurrentArticleView() ) {
- $this->mLastmod = $this->lastModified();
- } else {
- $this->mLastmod = '';
- }
- }
- return cbt_value( $this->mLastmod, 'dynamic' );
- }
-
- function viewcount() {
- global $wgDisableCounters;
- if ( $wgDisableCounters ) return '';
-
- global $wgLang, $wgArticle;
- if ( is_object( $wgArticle ) ) {
- $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
- if ( $viewcount ) {
- $viewcount = wfMsg( "viewcount", $viewcount );
- } else {
- $viewcount = '';
- }
- } else {
- $viewcount = '';
- }
- return cbt_value( $viewcount, 'dynamic' );
- }
-
- function numberofwatchingusers() {
- global $wgPageShowWatchingUsers;
- if ( !$wgPageShowWatchingUsers ) return '';
-
- $dbr = wfGetDB( DB_SLAVE );
- extract( $dbr->tableNames( 'watchlist' ) );
- $sql = "SELECT COUNT(*) AS n FROM $watchlist
- WHERE wl_title='" . $dbr->strencode($this->mTitle->getDBkey()) .
- "' AND wl_namespace=" . $this->mTitle->getNamespace() ;
- $res = $dbr->query( $sql, 'SkinTemplate::outputPage');
- $row = $dbr->fetchObject( $res );
- $num = $row->n;
- if ($num > 0) {
- $s = wfMsg('number_of_watching_users_pageview', $num);
- } else {
- $s = '';
- }
- return cbt_value( $s, 'dynamic' );
- }
-
- function credits() {
- global $wgMaxCredits;
- if ( !$wgMaxCredits ) return '';
-
- if ( $this->isCurrentArticleView() ) {
- require_once("Credits.php");
- global $wgArticle, $wgShowCreditsIfMax;
- $credits = getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
- } else {
- $credits = '';
- }
- return cbt_value( $credits, 'view dynamic' );
- }
-
- function normalcopyright() {
- return $this->getCopyright( 'normal' );
- }
-
- function historycopyright() {
- return $this->getCopyright( 'history' );
- }
-
- function is_currentview() {
- global $wgRequest;
- return cbt_value( (string)$this->isCurrentArticleView(), 'view' );
- }
-
- function usehistorycopyright() {
- global $wgRequest;
- if ( wfMsgForContent( 'history_copyright' ) == '-' ) return '';
-
- $oldid = $this->getOldId();
- $diff = $this->getDiff();
- $use = (string)(!is_null( $oldid ) && is_null( $diff ));
- return cbt_value( $use, 'nonview dynamic' );
- }
-
- function privacy() {
- return cbt_value( $this->privacyLink(), 'lang' );
- }
- function about() {
- return cbt_value( $this->aboutLink(), 'lang' );
- }
- function disclaimer() {
- return cbt_value( $this->disclaimerLink(), 'lang' );
- }
- function tagline() {
- # A reference to this tag existed in the old MonoBook.php, but the
- # template data wasn't set anywhere
- return '';
- }
- function reporttime() {
- return cbt_value( $this->mOut->reportTime(), 'dynamic' );
- }
-
- function msg( $name ) {
- return cbt_value( wfMsg( $name ), 'lang' );
- }
-
- function fallbackmsg( $name, $fallback ) {
- $text = wfMsg( $name );
- if ( wfEmptyMsg( $name, $text ) ) {
- $text = $fallback;
- }
- return cbt_value( $text, 'lang' );
- }
-
- /******************************************************
- * Utility functions *
- ******************************************************/
-
- /** Return true if this request is a valid, secure CSS preview */
- function isCssPreview() {
- if ( !isset( $this->mCssPreview ) ) {
- global $wgRequest, $wgAllowUserCss, $wgUser;
- $this->mCssPreview =
- $wgAllowUserCss &&
- $wgUser->isLoggedIn() &&
- $this->mTitle->isCssSubpage() &&
- $this->userCanPreview( $this->getAction() );
- }
- return $this->mCssPreview;
- }
-
- /** Return true if this request is a valid, secure JS preview */
- function isJsPreview() {
- if ( !isset( $this->mJsPreview ) ) {
- global $wgRequest, $wgAllowUserJs, $wgUser;
- $this->mJsPreview =
- $wgAllowUserJs &&
- $wgUser->isLoggedIn() &&
- $this->mTitle->isJsSubpage() &&
- $this->userCanPreview( $this->getAction() );
- }
- return $this->mJsPreview;
- }
-
- /** Get the title of the $wgUser's user page */
- function getUserPageTitle() {
- if ( !isset( $this->mUserPageTitle ) ) {
- global $wgUser;
- $this->mUserPageTitle = $wgUser->getUserPage();
- }
- return $this->mUserPageTitle;
- }
-
- /** Get the text of the user page title */
- function getUserPageText() {
- if ( !isset( $this->mUserPageText ) ) {
- $userPage = $this->getUserPageTitle();
- $this->mUserPageText = $userPage->getPrefixedText();
- }
- return $this->mUserPageText;
- }
-
- /** Make an HTML element for a stylesheet link */
- function makeStylesheetLink( $url ) {
- return '<link rel="stylesheet" type="text/css" href="' . htmlspecialchars( $url ) . "\"/>";
- }
-
- /** Make an XHTML element for inline CSS */
- function makeStylesheetCdata( $style ) {
- return "<style type=\"text/css\"> /*<![CDATA[*/ {$style} /*]]>*/ </style>";
- }
-
- /** Get the edit URL for this page */
- function getEditUrl() {
- if ( !isset( $this->mEditUrl ) ) {
- $this->mEditUrl = $this->mTitle->getLocalUrl( $this->editUrlOptions() );
- }
- return $this->mEditUrl;
- }
-
- /** Get the prefixed DB key for this page */
- function getThisPDBK() {
- if ( !isset( $this->mThisPDBK ) ) {
- $this->mThisPDBK = $this->mTitle->getPrefixedDbKey();
- }
- return $this->mThisPDBK;
- }
-
- function getThisTitleUrlForm() {
- if ( !isset( $this->mThisTitleUrlForm ) ) {
- $this->mThisTitleUrlForm = $this->mTitle->getPrefixedURL();
- }
- return $this->mThisTitleUrlForm;
- }
-
- /**
- * If the current page is a user page, get the user's ID and IP. Otherwise return array(0,false)
- */
- function getUserPageIdIp() {
- if ( !isset( $this->mUserPageId ) ) {
- if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
- $this->mUserPageId = User::idFromName($this->mTitle->getText());
- $this->mUserPageIp = User::isIP($this->mTitle->getText());
- } else {
- $this->mUserPageId = 0;
- $this->mUserPageIp = false;
- }
- }
- return array( $this->mUserPageId, $this->mUserPageIp );
- }
-
- /**
- * Returns a permalink URL, or false if the current page is already a
- * permalink, or blank if a permalink shouldn't be displayed
- */
- function getPermalink() {
- if ( !isset( $this->mPermalink ) ) {
- global $wgRequest, $wgArticle;
- $action = $this->getAction();
- $oldid = $this->getOldId();
- $url = '';
- if( $this->mTitle->getNamespace() !== NS_SPECIAL
- && $this->mTitle->getArticleId() != 0
- && ($action == '' || $action == 'view' || $action == 'purge' ) )
- {
- if ( !$oldid ) {
- $revid = $wgArticle->getLatest();
- $url = $this->mTitle->getLocalURL( "oldid=$revid" );
- } else {
- $url = false;
- }
- } else {
- $url = '';
- }
- }
- return $url;
- }
-
- /**
- * Returns true if the current page is an article, not a special page,
- * and we are viewing a revision, not a diff
- */
- function isArticleView() {
- global $wgOut, $wgArticle, $wgRequest;
- if ( !isset( $this->mIsArticleView ) ) {
- $oldid = $this->getOldId();
- $diff = $this->getDiff();
- $this->mIsArticleView = $wgOut->isArticle() and
- (!is_null( $oldid ) or is_null( $diff )) and 0 != $wgArticle->getID();
- }
- return $this->mIsArticleView;
- }
-
- function isCurrentArticleView() {
- if ( !isset( $this->mIsCurrentArticleView ) ) {
- global $wgOut, $wgArticle, $wgRequest;
- $oldid = $this->getOldId();
- $this->mIsCurrentArticleView = $wgOut->isArticle() && is_null( $oldid ) && 0 != $wgArticle->getID();
- }
- return $this->mIsCurrentArticleView;
- }
-
-
- /**
- * Return true if the current page is editable; if edit section on right
- * click should be enabled.
- */
- function isEditable() {
- global $wgRequest;
- $action = $this->getAction();
- return ($this->mTitle->getNamespace() != NS_SPECIAL and !($action == 'edit' or $action == 'submit'));
- }
-
- /** Return true if the user is logged in */
- function isLoggedIn() {
- global $wgUser;
- return $wgUser->isLoggedIn();
- }
-
- /** Get the local URL of the current page */
- function getPageUrl() {
- if ( !isset( $this->mPageUrl ) ) {
- $this->mPageUrl = $this->mTitle->getLocalURL();
- }
- return $this->mPageUrl;
- }
-
- /** Make a link to a title using a template */
- function makeTemplateLink( $template, $key, $title, $text ) {
- $url = $title->getLocalUrl();
- return strtr( $template,
- array(
- '$key' => $key,
- '$classactive' => ($url == $this->getPageUrl()) ? 'class="active"' : '',
- '$class' => $title->getArticleID() == 0 ? 'class="new"' : '',
- '$href' => htmlspecialchars( $url ),
- '$text' => $text
- ) );
- }
-
- /** Make a link to a URL using a template */
- function makeTemplateLinkUrl( $template, $key, $url, $text ) {
- return strtr( $template,
- array(
- '$key' => $key,
- '$classactive' => ($url == $this->getPageUrl()) ? 'class="active"' : '',
- '$class' => '',
- '$href' => htmlspecialchars( $url ),
- '$text' => $text
- ) );
- }
-
- /** Make a link to a special page using a template */
- function makeSpecialTemplateLink( $template, $key, $specialName, $text, $query = '' ) {
- $url = self::makeSpecialUrl( $specialName, $query );
- // Ignore the query when comparing
- $active = ($this->mTitle->getNamespace() == NS_SPECIAL && $this->mTitle->getDBkey() == $specialName);
- return strtr( $template,
- array(
- '$key' => $key,
- '$classactive' => $active ? 'class="active"' : '',
- '$class' => '',
- '$href' => htmlspecialchars( $url ),
- '$text' => $text
- ) );
- }
-
- function loadRequestValues() {
- global $wgRequest;
- $this->mAction = $wgRequest->getText( 'action' );
- $this->mOldId = $wgRequest->getVal( 'oldid' );
- $this->mDiff = $wgRequest->getVal( 'diff' );
- $this->mSection = $wgRequest->getVal( 'section' );
- $this->mSearch = $wgRequest->getVal( 'search' );
- $this->mRequestValuesLoaded = true;
- }
-
-
-
- /** Get the action parameter of the request */
- function getAction() {
- if ( !isset( $this->mRequestValuesLoaded ) ) {
- $this->loadRequestValues();
- }
- return $this->mAction;
- }
-
- /** Get the oldid parameter */
- function getOldId() {
- if ( !isset( $this->mRequestValuesLoaded ) ) {
- $this->loadRequestValues();
- }
- return $this->mOldId;
- }
-
- /** Get the diff parameter */
- function getDiff() {
- if ( !isset( $this->mRequestValuesLoaded ) ) {
- $this->loadRequestValues();
- }
- return $this->mDiff;
- }
-
- function getSection() {
- if ( !isset( $this->mRequestValuesLoaded ) ) {
- $this->loadRequestValues();
- }
- return $this->mSection;
- }
-
- function getSearch() {
- if ( !isset( $this->mRequestValuesLoaded ) ) {
- $this->loadRequestValues();
- }
- return $this->mSearch;
- }
-
- /** Make a special page URL of the form [[Special:Somepage/{title_urlform}]] */
- function makeSpecialParamUrl( $name, $query = '', $param = '{title_urlform}' ) {
- // Abuse makeTitle's lax validity checking to slip a control character into the URL
- $title = Title::makeTitle( NS_SPECIAL, "$name/\x1a" );
- $url = cbt_escape( $title->getLocalURL( $query ) );
- // Now replace it with the parameter
- return str_replace( '%1A', $param, $url );
- }
-
- function getSubjectPage() {
- if ( !isset( $this->mSubjectPage ) ) {
- $this->mSubjectPage = $this->mTitle->getSubjectPage();
- }
- return $this->mSubjectPage;
- }
-
- function getTalkPage() {
- if ( !isset( $this->mTalkPage ) ) {
- $this->mTalkPage = $this->mTitle->getTalkPage();
- }
- return $this->mTalkPage;
- }
-}
-