PHP FileReader::readInto方法代码示例

 /**
  * Gets the current Phing version based on VERSION.TXT file.
  * @return string
  * @throws BuildException - if unable to find version file.
  */
 public static function getPhingVersion()
 {
     $versionPath = self::getResourcePath("phing/etc/VERSION.TXT");
     if ($versionPath === null) {
         $versionPath = self::getResourcePath("etc/VERSION.TXT");
     }
     if ($versionPath === null) {
         throw new ConfigurationException("No VERSION.TXT file found; try setting phing.home environment variable.");
     }
     try {
         // try to read file
         $buffer = null;
         $file = new PhingFile($versionPath);
         $reader = new FileReader($file);
         $reader->readInto($buffer);
         $buffer = trim($buffer);
         //$buffer = "PHING version 1.0, Released 2002-??-??";
         $phingVersion = $buffer;
     } catch (IOException $iox) {
         throw new ConfigurationException("Can't read version information file");
     }
     return $phingVersion;
 }

 /**
  * Reads stream, applies XSLT and returns resulting stream.
  * @return string transformed buffer.
  * @throws BuildException - if XSLT support missing, if error in xslt processing
  */
 function read($len = null)
 {
     if (!class_exists('XSLTProcessor')) {
         throw new BuildException("Could not find the XSLTProcessor class. Make sure PHP has been compiled/configured to support XSLT.");
     }
     if ($this->processed === true) {
         return -1;
         // EOF
     }
     if (!$this->getInitialized()) {
         $this->_initialize();
         $this->setInitialized(true);
     }
     // Read XML
     $_xml = null;
     while (($data = $this->in->read($len)) !== -1) {
         $_xml .= $data;
     }
     if ($_xml === null) {
         // EOF?
         return -1;
     }
     if (empty($_xml)) {
         $this->log("XML file is empty!", Project::MSG_WARN);
         return '';
         // return empty string, don't attempt to apply XSLT
     }
     // Read XSLT
     $_xsl = null;
     $xslFr = new FileReader($this->xslFile);
     $xslFr->readInto($_xsl);
     $this->log("Tranforming XML " . $this->in->getResource() . " using style " . $this->xslFile->getPath(), Project::MSG_VERBOSE);
     $out = '';
     try {
         $out = $this->process($_xml, $_xsl);
         $this->processed = true;
     } catch (IOException $e) {
         throw new BuildException($e);
     }
     return $out;
 }

 function getPhingVersion()
 {
     $versionPath = self::getResourcePath("phing/etc/VERSION.TXT");
     if ($versionPath === null) {
         $versionPath = self::getResourcePath("etc/VERSION.TXT");
     }
     try {
         // try to read file
         $buffer = null;
         $file = new PhingFile($versionPath);
         $reader = new FileReader($file);
         $reader->readInto($buffer);
         $buffer = trim($buffer);
         //$buffer = "PHING version 1.0, Released 2002-??-??";
         $phingVersion = $buffer;
     } catch (IOException $iox) {
         print "Can't read version information file\n";
         throw new BuildException("Build failed");
     }
     return $phingVersion;
 }

//.........这里部分代码省略.........
     // the context for the template (unlike Velocity).  We setup this object, calling it
     // $this->context, and then initControlContext simply zeros out
     // any assigned variables.
     //
     // Use the smarty backwards compatibility layer if existent.
     if (class_exists('SmartyBC')) {
         $this->context = new SmartyBC();
     } else {
         $this->context = new Smarty();
     }
     if ($this->compilePath !== null) {
         $this->log("Using compilePath: " . $this->compilePath);
         $this->context->compile_dir = $this->compilePath;
     }
     if ($this->configPath !== null) {
         $this->log("Using configPath: " . $this->configPath);
         $this->context->config_dir = $this->configPath;
     }
     if ($this->forceCompile !== null) {
         $this->context->force_compile = $this->forceCompile;
     }
     if ($this->leftDelimiter !== null) {
         $this->context->left_delimiter = $this->leftDelimiter;
     }
     if ($this->rightDelimiter !== null) {
         $this->context->right_delimiter = $this->rightDelimiter;
     }
     if ($this->templatePath !== null) {
         $this->log("Using templatePath: " . $this->templatePath);
         $this->context->template_dir = $this->templatePath;
     }
     $smartyCompilePath = new PhingFile($this->context->compile_dir);
     if (!$smartyCompilePath->exists()) {
         $this->log("Compile directory does not exist, creating: " . $smartyCompilePath->getPath(), Project::MSG_VERBOSE);
         if (!$smartyCompilePath->mkdirs()) {
             throw new BuildException("Smarty needs a place to compile templates; specify a 'compilePath' or create " . $this->context->compile_dir);
         }
     }
     // Make sure the output directory exists, if it doesn't
     // then create it.
     $file = new PhingFile($this->outputDirectory);
     if (!$file->exists()) {
         $this->log("Output directory does not exist, creating: " . $file->getAbsolutePath());
         $file->mkdirs();
     }
     $path = $this->outputDirectory . DIRECTORY_SEPARATOR . $this->outputFile;
     $this->log("Generating to file " . $path);
     $writer = new FileWriter($path);
     // The generator and the output path should
     // be placed in the init context here and
     // not in the generator class itself.
     $c = $this->initControlContext();
     // Set any variables that need to always
     // be loaded
     $this->populateInitialContext($c);
     // Feed all the options into the initial
     // control context so they are available
     // in the control/worker templates.
     if ($this->contextProperties !== null) {
         foreach ($this->contextProperties->keys() as $property) {
             $value = $this->contextProperties->getProperty($property);
             // Special exception (from Texen)
             // for properties ending in file.contents:
             // in that case we dump the contents of the file
             // as the "value" for the Property.
             if (StringHelper::endsWith("file.contents", $property)) {
                 // pull in contents of file specified
                 $property = substr($property, 0, strpos($property, "file.contents") - 1);
                 // reset value, and then
                 // read in teh contents of the file into that var
                 $value = "";
                 $f = new PhingFile($this->project->resolveFile($value)->getCanonicalPath());
                 if ($f->exists()) {
                     try {
                         $fr = new FileReader($f);
                         $fr->readInto($value);
                     } catch (Exception $e) {
                         throw $e;
                     }
                 }
             }
             // if ends with file.contents
             if (StringHelper::isBoolean($value)) {
                 $value = StringHelper::booleanValue($value);
             }
             $c->assign($property, $value);
         }
         // foreach property
     }
     // if contextProperties !== null
     try {
         //$c->display($this->controlTemplate);
         $writer->write($c->fetch($this->controlTemplate));
         $writer->close();
     } catch (IOException $ioe) {
         $writer->close();
         throw new BuildException("Cannot write parsed template.");
     }
     $this->cleanup();
 }

 /**
  * Execute the input script with Velocity
  *
  * @throws BuildException
  *                        BuildExceptions are thrown when required attributes are missing.
  *                        Exceptions thrown by Velocity are rethrown as BuildExceptions.
  */
 public function main()
 {
     // Make sure the template path is set.
     if (empty($this->templatePath)) {
         throw new BuildException("The template path needs to be defined!");
     }
     // Make sure the control template is set.
     if ($this->controlTemplate === null) {
         throw new BuildException("The control template needs to be defined!");
     }
     // Make sure the output directory is set.
     if ($this->outputDirectory === null) {
         throw new BuildException("The output directory needs to be defined!");
     }
     // Make sure there is an output file.
     if ($this->outputFile === null) {
         throw new BuildException("The output file needs to be defined!");
     }
     // Setup Smarty runtime.
     // Smarty uses one object to store properties and to store
     // the context for the template (unlike Velocity).  We setup this object, calling it
     // $this->context, and then initControlContext simply zeros out
     // any assigned variables.
     $this->context = new Capsule();
     if ($this->templatePath !== null) {
         $this->log("Using templatePath: " . $this->templatePath);
         $this->context->setTemplatePath($this->templatePath);
     }
     // Make sure the output directory exists, if it doesn't
     // then create it.
     $outputDir = new PhingFile($this->outputDirectory);
     if (!$outputDir->exists()) {
         $this->log("Output directory does not exist, creating: " . $outputDir->getAbsolutePath());
         $outputDir->mkdirs();
     }
     $this->context->setOutputDirectory($outputDir->getAbsolutePath());
     $path = $this->outputDirectory . DIRECTORY_SEPARATOR . $this->outputFile;
     $this->log("Generating to file " . $path);
     //$writer = new FileWriter($path);
     // The generator and the output path should
     // be placed in the init context here and
     // not in the generator class itself.
     $c = $this->initControlContext();
     // Set any variables that need to always
     // be loaded
     $this->populateInitialContext($c);
     // Feed all the options into the initial
     // control context so they are available
     // in the control/worker templates.
     if ($this->contextProperties !== null) {
         foreach ($this->contextProperties->keys() as $property) {
             $value = $this->contextProperties->getProperty($property);
             // Special exception (from Texen)
             // for properties ending in file.contents:
             // in that case we dump the contents of the file
             // as the "value" for the Property.
             if (preg_match('/file\\.contents$/', $property)) {
                 // pull in contents of file specified
                 $property = substr($property, 0, strpos($property, "file.contents") - 1);
                 // reset value, and then
                 // read in the contents of the file into that var
                 $value = "";
                 $f = new PhingFile($this->project->resolveFile($value)->getCanonicalPath());
                 if ($f->exists()) {
                     $fr = new FileReader($f);
                     $fr->readInto($value);
                 }
             }
             // if ends with file.contents
             if (StringHelper::isBoolean($value)) {
                 $value = StringHelper::booleanValue($value);
             }
             $c->put($property, $value);
         }
         // foreach property
     }
     // if contextProperties !== null
     try {
         $this->log("Parsing control template: " . $this->controlTemplate);
         $c->parse($this->controlTemplate, $path);
     } catch (Exception $ioe) {
         throw new BuildException("Cannot write parsed template: " . $ioe->getMessage());
     }
     $this->cleanup();
 }