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xml_parser_main.cc
/************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* */
/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
/* -------------------------------------------------------------------- */
/* Simple XML parsing mainline. */
/* */
/*************************************************************************/
#include <cstdlib>
#include <fstream>
#include <iostream>
#include "EST_error.h"
#include "EST_cutils.h"
#include "EST_cmd_line.h"
#include "EST_cmd_line_options.h"
#include "rxp/XML_Parser.h"
struct Parse_State
{
int depth;
};
class My_Parser_Class : public XML_Parser_Class
{
protected:
virtual void document_open(XML_Parser_Class &c,
XML_Parser &p,
void *data);
virtual void document_close(XML_Parser_Class &c,
XML_Parser &p,
void *data);
virtual void element_open(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *name,
XML_Attribute_List &attributes);
virtual void element(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *name,
XML_Attribute_List &attributes);
virtual void element_close(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *name);
virtual void pcdata(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *chars);
virtual void cdata(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *chars);
virtual void processing(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *instruction);
virtual void error(XML_Parser_Class &c,
XML_Parser &p,
void *data);
};
/** @name <command>xml_parser</command>
@id xml_parser_manual
* @toc
*/
//@{
/**@name Synopsis
*/
//@{
//@synopsis
/**
<command>xml_parser</command> is a simple program giving access to
the <productname>RXP</productname> &xml; parser. It parses an input
file and prints the results out in a simple indented format. It's
main use is as a development tool, to check that files intended for
input to an &xml; application, for instance &festival;, parse as
you expect.
*/
//@}
/**@name OPTIONS
*/
//@{
//@options
//@}
int main(int argc, char *argv[])
{
My_Parser_Class pclass;
EST_Option al;
EST_StrList files;
EST_String filename;
Parse_State state;
parse_command_line
(argc, argv,
EST_String("[file] [options]\n")+
"Summary: parse xml and output a tree.\n"
"use \"-\" to make input file stdin\n"
"-sysdir <string> Look for unqualified system entities in this directory"
"-h Options help\n",
files, al);
switch (files.length())
{
case 0: filename="-";
break;
case 1: filename=files.first();
break;
default:
EST_error("Expected only one filename");
break;
}
if (al.present("-sysdir"))
pclass.register_id("^\\([^/]*\\)",
al.sval("-sysdir") + "/\\1");
pclass.register_id("//CSTR//EST \\(.*\\)",
EST_String::cat(est_datadir, "/\\1.dtd"));
/* An individual parser runs over a single source.
*/
XML_Parser *parser = pclass.make_parser(filename,
&state);
/* Run the parser.
*/
parser->go();
exit(0);
}
static void print_attributes(XML_Attribute_List &attributes)
{
XML_Attribute_List::Entries them;
for(them.begin(attributes); them ; them++)
printf(" %s='%s'",
(const char *)them->k,
(const char *)them->v);
}
/* Now we define the callbacks.
*/
void My_Parser_Class::document_open(XML_Parser_Class &c,
XML_Parser &p,
void *data)
{
(void)c; (void)p;
(void)print_attributes;
Parse_State *state = (Parse_State *)data;
state->depth=1;
printf("%*s document %d\n", state->depth*4, ">", state->depth);
}
void My_Parser_Class::document_close(XML_Parser_Class &c,
XML_Parser &p,
void *data)
{
(void)c; (void)p;
Parse_State *state = (Parse_State *)data;
printf("%*s <document %d\n", state->depth*4, ">", state->depth);
}
void My_Parser_Class::element_open(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *name,
XML_Attribute_List &attributes)
{
(void)c; (void)p; (void)attributes;
Parse_State *state = (Parse_State *)data;
state->depth++;
printf("%*s %s %d", state->depth*4, ">", name, state->depth);
print_attributes(attributes);
printf("\n");
}
void My_Parser_Class::element(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *name,
XML_Attribute_List &attributes)
{
(void)c; (void)p; (void)attributes;
Parse_State *state = (Parse_State *)data;
printf("%*s %s %d", state->depth*4, ":", name, state->depth);
print_attributes(attributes);
printf("\n");
}
void My_Parser_Class::element_close(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *name)
{
(void)c; (void)p;
Parse_State *state = (Parse_State *)data;
printf("%*s %s %d\n", state->depth*4, "<", name, state->depth);
state->depth--;
}
void My_Parser_Class::pcdata(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *chars)
{
(void)c; (void)p;
Parse_State *state = (Parse_State *)data;
printf("%*s [pcdata[%s]] %d\n", state->depth*4, "", chars, state->depth);
}
void My_Parser_Class::cdata(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *chars)
{
(void)c; (void)p;
Parse_State *state = (Parse_State *)data;
printf("%*s [cdata[%s]] %d\n", state->depth*4, "", chars, state->depth);
}
void My_Parser_Class::processing(XML_Parser_Class &c,
XML_Parser &p,
void *data,
const char *instruction)
{
(void)c; (void)p;
Parse_State *state = (Parse_State *)data;
printf("%*s [proc[%s]] %d\n", state->depth*4, "", instruction, state->depth);
}
void My_Parser_Class::error(XML_Parser_Class &c,
XML_Parser &p,
void *data)
{
(void)c; (void)p;
Parse_State *state = (Parse_State *)data;
printf("%*s [error[%s]] %d\n", state->depth*4, "", get_error(p), state->depth);
}
EST_Option
Definition EST_Option.h:50
EST_Option::sval
const EST_String & sval(const EST_String &rkey, int m=1) const
Definition EST_Option.cc:87
EST_String
Definition EST_String.h:70
EST_String::cat
static EST_String cat(const EST_String s1, const EST_String s2=Empty, const EST_String s3=Empty, const EST_String s4=Empty, const EST_String s5=Empty, const EST_String s6=Empty, const EST_String s7=Empty, const EST_String s8=Empty, const EST_String s9=Empty)
Definition EST_String.cc:1096
EST_TIterator::begin
void begin(const Container &over)
Set the iterator ready to run over this container.
Definition EST_TIterator.h:115
EST_TKVL::present
const int present(const K &rkey) const
Returns true if key is present.
Definition EST_TKVL.cc:222
EST_TList::first
const T & first() const
return const reference to first item in list
Definition EST_TList.h:146
EST_TStringHash< EST_String >::Entries
EST_TStructIterator< EST_THash< EST_String, EST_String >, typename EST_THash< EST_String, EST_String >::IPointer, EST_Hash_Pair< EST_String, EST_String > > Entries
Definition EST_THash.h:298
XML_Parser_Class
Definition XML_Parser.h:78
XML_Parser_Class::XML_Parser
friend class XML_Parser
Definition XML_Parser.h:231
XML_Parser_Class::get_error
const char * get_error(XML_Parser &p)
Get the error message for the last error.
Definition XML_Parser.cc:225
XML_Parser_Class::make_parser
XML_Parser * make_parser(InputSource source, void *data)
Create a parser for the RXP InputSource.
Definition XML_Parser.cc:72
XML_Parser_Class::register_id
void register_id(EST_Regex id_pattern, EST_String directory)
Definition XML_Parser.cc:48
XML_Parser_Class::XML_Parser_Class
XML_Parser_Class()
Definition XML_Parser.cc:44
XML_Parser
Definition XML_Parser.h:240
XML_Parser::go
void go()
Run the parser.
Definition XML_Parser.cc:274