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<?php |
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/** |
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* This file is part of the Ghostscript package |
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* |
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* @author Simon Schrape <[email protected]> |
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*/ |
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namespace GravityMedia\Ghostscript\Device\CommandLineParameters; |
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/** |
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* The interaction-related parameters trait. |
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* |
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* @package GravityMedia\Ghostscript\Device\CommandLineParameters |
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* |
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* @link http://ghostscript.com/doc/current/Use.htm#Interaction_related_parameters |
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*/ |
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trait InteractionTrait |
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{ |
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/** |
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* Whether argument is set |
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* |
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* @param string $name |
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* |
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* @return bool |
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*/ |
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abstract protected function hasArgument($name); |
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/** |
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* Get argument value |
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* |
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* @param string $name |
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* |
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* @return null|string |
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*/ |
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abstract protected function getArgumentValue($name); |
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/** |
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* Set argument |
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* |
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* @param string $argument |
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* |
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* @return $this |
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*/ |
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abstract protected function setArgument($argument); |
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/** |
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* Whether BATCH flag is set |
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* |
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* @return bool |
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*/ |
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public function isBatch() |
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{ |
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return $this->hasArgument('-dBATCH'); |
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} |
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/** |
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* Set BATCH flag |
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* |
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* Causes Ghostscript to exit after processing all files named on the command line, rather than going into an |
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* interactive loop reading PostScript commands. Equivalent to putting -c quit at the end of the command line. |
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* |
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* @return $this |
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*/ |
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public function setBatch() |
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{ |
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$this->setArgument('-dBATCH'); |
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return $this; |
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} |
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/** |
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* Whether NOPAGEPROMPT flag is set |
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* |
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* @return bool |
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*/ |
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public function isNoPagePrompt() |
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{ |
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return $this->hasArgument('-dNOPAGEPROMPT'); |
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} |
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/** |
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* Set NOPAGEPROMPT flag |
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* |
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* Disables only the prompt, but not the pause, at the end of each page. This may be useful on PC displays that get |
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* confused if a program attempts to write text to the console while the display is in a graphics mode. |
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* |
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* @return $this |
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*/ |
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public function setNoPagePrompt() |
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{ |
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$this->setArgument('-dNOPAGEPROMPT'); |
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return $this; |
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} |
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/** |
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* Whether NOPAUSE flag is set |
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* |
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* @return bool |
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*/ |
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public function isNoPause() |
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{ |
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return $this->hasArgument('-dNOPAUSE'); |
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} |
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/** |
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* Set NOPAUSE flag |
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* |
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* Disables the prompt and pause at the end of each page. Normally one should use this (along with -dBATCH) when |
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* producing output on a printer or to a file; it also may be desirable for applications where another program is |
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* "driving" Ghostscript. |
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* |
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* @return $this |
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*/ |
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public function setNoPause() |
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{ |
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$this->setArgument('-dNOPAUSE'); |
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return $this; |
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} |
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/** |
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* Whether NOPROMPT flag is set |
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* |
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* @return bool |
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*/ |
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public function isNoPrompt() |
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{ |
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return $this->hasArgument('-dNOPROMPT'); |
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} |
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/** |
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* Set NOPROMPT flag |
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* |
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* Disables the prompt printed by Ghostscript when it expects interactive input, as well as the end-of-page prompt |
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* (-dNOPAGEPROMPT). This allows piping input directly into Ghostscript, as long as the data doesn't refer to |
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* currentfile. |
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* |
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* @return $this |
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*/ |
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public function setNoPrompt() |
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{ |
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$this->setArgument('-dNOPROMPT'); |
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return $this; |
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} |
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/** |
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* Whether QUIET flag is set |
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* |
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* @return bool |
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*/ |
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public function isQuiet() |
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{ |
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return $this->hasArgument('-dQUIET'); |
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} |
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/** |
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* Set QUIET flag |
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* |
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* Suppresses routine information comments on standard output. This is currently necessary when redirecting device |
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* output to standard output. |
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* |
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* @return $this |
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*/ |
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public function setQuiet() |
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{ |
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$this->setArgument('-dQUIET'); |
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return $this; |
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} |
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/** |
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* Whether SHORTERRORS flag is set |
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* |
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* @return bool |
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*/ |
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public function isShortErrors() |
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{ |
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return $this->hasArgument('-dSHORTERRORS'); |
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} |
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/** |
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* Set SHORTERRORS flag |
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* |
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* Makes certain error and information messages more Adobe-compatible. |
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* |
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* @return $this |
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*/ |
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public function setShortErrors() |
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{ |
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$this->setArgument('-dSHORTERRORS'); |
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return $this; |
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} |
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/** |
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* Get value of stdout parameter if set |
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* |
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* @return string|null |
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*/ |
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public function getStdout() |
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{ |
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return $this->getArgumentValue('-sstdout'); |
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} |
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/** |
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* Set stdout parameter |
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* |
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* Redirect PostScript %stdout to a file or stderr, to avoid it being mixed with device stdout. To redirect stdout |
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* to stderr use -sstdout=%stderr. To cancel redirection of stdout use -sstdout=%stdout or -sstdout=-. |
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* |
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* Note that this redirects PostScript output to %stdout but does not change the destination FILE of device output |
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* as with -sOutputFile=- or even -sOutputFile=%stdout since devices write directly using the stdout FILE * pointer |
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* with C function calls such as fwrite or fputs. |
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* |
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* @param string $filename file to redirect PostScript %stdout to |
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* |
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* @return $this |
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*/ |
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public function setStdout($filename) |
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{ |
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$this->setArgument(sprintf('-sstdout=%s', $filename)); |
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return $this; |
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} |
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/** |
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* Whether TTYPAUSE flag is set |
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* |
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* @return bool |
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*/ |
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public function isTtyPause() |
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{ |
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return $this->hasArgument('-dTTYPAUSE'); |
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} |
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/** |
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* Set TTYPAUSE flag |
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* |
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* Causes Ghostscript to read a character from /dev/tty, rather than standard input, at the end of each page. This |
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* may be useful if input is coming from a pipe. Note that -dTTYPAUSE overrides -dNOPAUSE. Also note that -dTTYPAUSE |
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* requires opening the terminal device directly, and may cause problems in combination with -dSAFER. Permission |
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* errors can be avoided by adding the device to the permitted reading list before invoking safer mode. For example: |
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* gs -dTTYPAUSE -dDELAYSAFER -c '<< /PermitFileReading [ (/dev/tty)] >> setuserparams .locksafe' -dSAFER |
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* |
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* @return $this |
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*/ |
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public function setTtyPause() |
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{ |
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$this->setArgument('-dTTYPAUSE'); |
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return $this; |
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} |
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} |
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