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a/src/internfile/mh_execm.h |
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b/src/internfile/mh_execm.h |
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... |
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*
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*
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* The command to execute, and its parameters, are stored in the "params"
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* The command to execute, and its parameters, are stored in the "params"
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* which is built in mimehandler.cpp out of data from the mimeconf file.
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* which is built in mimehandler.cpp out of data from the mimeconf file.
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*
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*
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* This version uses persistent filters which can handle multiple requests
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* This version uses persistent filters which can handle multiple requests
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* without exiting (both multiple files and multiple documents per file),
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* without exiting, with a simple question/response protocol.
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* with a simple question/response protocol.
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*
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*
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* The data is exchanged in TLV fashion, in a way that should be
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* The data is exchanged in TLV fashion, in a way that should be
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* usable in most script languages. The basic unit has one line with a
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* usable in most script languages. The basic unit has one line with a
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* data type and a count, followed by the data. A 'message' ends with
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* data type and a count, followed by the data. A 'message' ends with
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* one empty line. A possible exchange:
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* one empty line. A possible exchange:
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Mimetype: 10
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Mimetype: 10
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text/plainData: 10
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text/plainData: 10
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0123456789
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0123456789
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<Message ends here because of empty line
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<Message ends here because of empty line
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*
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*
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* Until proven otherwise, this format is both extensible and
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* This format is both extensible and reasonably easy to parse.
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* reasonably easy to parse. While it's more destined for python or
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* While it's more destined for python or perl on the script side, it
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* perl on the script side, it should even be sort of usable from the shell
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* should even be sort of usable from the shell (ie: use dd to read
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* (ie: use dd to read the counted data). Most alternatives would need data
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* the counted data). Most alternatives would need data encoding in
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* encoding in some cases.
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* some cases.
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*/
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*/
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class MimeHandlerExecMultiple : public MimeHandlerExec {
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class MimeHandlerExecMultiple : public MimeHandlerExec {
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/////////
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/////////
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// Things not reset by "clear()", additionally to those in MimeHandlerExec
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// Things not reset by "clear()", additionally to those in MimeHandlerExec
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ExecCmd m_cmd;
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ExecCmd m_cmd;
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... |
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virtual ~MimeHandlerExecMultiple() {}
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virtual ~MimeHandlerExecMultiple() {}
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virtual bool next_document();
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virtual bool next_document();
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virtual void clear() {
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virtual void clear() {
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MimeHandlerExec::clear();
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MimeHandlerExec::clear();
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}
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}
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virtual bool set_document_file(const string &file_path) {
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m_filefirst = true;
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return MimeHandlerExec::set_document_file(file_path);
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}
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private:
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private:
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bool startCmd();
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bool startCmd();
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bool readDataElement(string& name);
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bool readDataElement(string& name, string& data);
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bool m_filefirst;
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};
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};
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#endif /* _MH_EXECM_H_INCLUDED_ */
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#endif /* _MH_EXECM_H_INCLUDED_ */
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