331 lines
10 KiB
C++
331 lines
10 KiB
C++
/************************************************************************/
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/* */
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/* Centre for Speech Technology Research */
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/* University of Edinburgh, UK */
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/* Copyright (c) 1996,1997 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/************************************************************************/
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/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
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/* Date: Fri Feb 28 1997 */
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/************************************************************************/
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/* */
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/* A template class which allows names (const char *s) to be */
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/* associated with enums, providing conversion. */
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/* */
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/************************************************************************/
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#include <cstdlib>
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#include <iostream>
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#include <cstdio>
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#include "EST_walloc.h"
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#include "EST_TNamedEnum.h"
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// This only takes a void * because I can't manage to get the
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// parameter declaration in the definition past gcc with the actual type.
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template<class ENUM, class VAL, class INFO>
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void EST_TValuedEnumI<ENUM,VAL,INFO>::initialise(const void *vdefs)
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{
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int n=0;
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typedef EST_TValuedEnumDefinition<ENUM,VAL,INFO> defn;
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const defn *defs = (const defn *)vdefs;
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for(n=1; defs[n].token != defs[0].token; n++)
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;
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this->ndefinitions = n;
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this->definitions = new defn[n];
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this->definitions[0] = defs[0];
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for(n=1; defs[n].token != defs[0].token; n++)
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this->definitions[n] = defs[n];
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this->p_unknown_enum = defs[n].token;
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this->p_unknown_value = defs[n].values[0];
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}
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template<class ENUM, class VAL, class INFO>
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void EST_TValuedEnumI<ENUM,VAL,INFO>::initialise(const void *vdefs, ENUM (*conv)(const char *))
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{
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int n=0;
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// const struct EST_TValuedEnumDefinition<const char *,VAL,INFO> *defs = (const struct EST_TValuedEnumDefinition<const char *,VAL,INFO> *)vdefs;
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typedef EST_TValuedEnumDefinition<const char *,VAL,INFO> _EST_TMPNAME;
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const _EST_TMPNAME *defs = (const _EST_TMPNAME *)vdefs;
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// fprintf(stderr, "start setup\n");
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for(n=1; strcmp(defs[n].token, defs[0].token) != 0; n++)
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{
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//const char *a = defs[0].token;
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// const char *b = defs[n].token;
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// fprintf(stderr, ": %d '%s' '%s'\n", n, defs[n].token, defs[0].token);
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}
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this->ndefinitions = n;
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typedef EST_TValuedEnumDefinition<ENUM,VAL,INFO> defn;
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this->definitions = new defn[n];
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this->definitions[0].token = conv(defs[0].token);
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for(int i=0; i<NAMED_ENUM_MAX_SYNONYMS; i++)
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this->definitions[0].values[i] = defs[0].values[i];
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this->definitions[0].info = defs[0].info;
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for(n=1; strcmp(defs[n].token, defs[0].token) != 0; n++)
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{
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this->definitions[n].token = conv(defs[n].token);
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for(int i2=0; i2<NAMED_ENUM_MAX_SYNONYMS; i2++)
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this->definitions[n].values[i2] = defs[n].values[i2];
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this->definitions[n].info = defs[n].info;
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}
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this->p_unknown_enum = conv(defs[n].token);
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this->p_unknown_value = defs[n].values[0];
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}
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template<class ENUM, class VAL, class INFO>
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EST_TValuedEnumI<ENUM,VAL,INFO>::~EST_TValuedEnumI(void)
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{
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if (this->definitions)
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delete[] this->definitions;
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}
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template<class ENUM, class VAL, class INFO>
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int EST_TValuedEnumI<ENUM,VAL,INFO>::n(void) const
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{
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return this->ndefinitions;
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}
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template<class ENUM, class VAL, class INFO>
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VAL EST_TValuedEnumI<ENUM,VAL,INFO>::value (ENUM token, int n) const
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{
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int i;
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for(i=0; i<this->ndefinitions; i++)
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if (this->definitions[i].token == token)
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return this->definitions[i].values[n];
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return this->p_unknown_value;
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}
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template<class ENUM, class VAL, class INFO>
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INFO &EST_TValuedEnumI<ENUM,VAL,INFO>::info (ENUM token) const
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{
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int i;
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for(i=0; i<this->ndefinitions; i++)
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if (this->definitions[i].token == token)
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return this->definitions[i].info;
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cerr << "Fetching info for invalid entry\n";
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abort();
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static INFO dummyI;
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return dummyI;
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}
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template<class ENUM, class VAL, class INFO>
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ENUM EST_TValuedEnumI<ENUM,VAL,INFO>::nth_token (int n) const
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{
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if (n>=0 && n < this->ndefinitions)
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return this->definitions[n].token;
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return this->p_unknown_enum;
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}
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template<class ENUM, class VAL, class INFO>
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ENUM EST_TValuedEnumI<ENUM,VAL,INFO>::token (VAL value) const
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{
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int i,j;
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for(i=0; i<this->ndefinitions; i++)
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for(j=0; j<NAMED_ENUM_MAX_SYNONYMS && this->definitions[i].values[j] ; j++)
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if (eq_vals(this->definitions[i].values[j], value))
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return this->definitions[i].token;
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return this->p_unknown_enum;
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}
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template<class ENUM>
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EST_read_status EST_TNamedEnum<ENUM>::priv_load(EST_String name, EST_TNamedEnum<ENUM> *definitive)
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{
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typedef EST_TValuedEnumDefinition<ENUM, const char *, NO_INFO> Defn;
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#define LINE_LENGTH (1024)
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EST_String line(NULL, 'x', LINE_LENGTH);
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char *buffer = (char *)line;
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EST_String tokens[NAMED_ENUM_MAX_SYNONYMS+2];
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FILE *file;
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char quote = '\0';
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int have_unknown=0;
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int n=0;
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if ((file=fopen(name, "rb"))==NULL)
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return misc_read_error;
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if (this->definitions)
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delete[] this->definitions;
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this->ndefinitions= -1;
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this->definitions=NULL;
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buffer[LINE_LENGTH-1] = 'x';
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while (fgets(buffer, LINE_LENGTH, file))
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{
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if ( buffer[LINE_LENGTH-1] != 'x')
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{
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cerr << "line too long .. '" << buffer << "'\n";
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return wrong_format;
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}
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if (this->ndefinitions>=0 && quote != '\0' && buffer[0] == '=')
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{
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// definition by number
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if ( n>= this->ndefinitions)
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{
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cerr << "too many definitions\n";
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return wrong_format;
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}
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int ntokens = split(line, tokens, NAMED_ENUM_MAX_SYNONYMS+2, RXwhite, '"');
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this->definitions[n].token = (ENUM)atoi(tokens[0].after(0,1));
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for(int i=1; i<ntokens; i++)
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this->definitions[n].values[i-1] = wstrdup(tokens[i].unquote_if_needed(quote));
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for(int j=ntokens-1 ; j< NAMED_ENUM_MAX_SYNONYMS; j++)
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this->definitions[n].values[j]=NULL;
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n++;
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}
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else if (have_unknown && this->ndefinitions>=0 && quote != '\0' && buffer[0] == quote)
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{
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// definition by standard name
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if (!definitive)
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{
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cerr << "can't use names in this definition\n";
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return wrong_format;
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}
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if ( n>= this->ndefinitions)
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{
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cerr << "too many definitions\n";
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return wrong_format;
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}
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int ntokens = split(line, tokens, NAMED_ENUM_MAX_SYNONYMS+2, RXwhite, quote);
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this->definitions[n].token = definitive->token(tokens[0].unquote(quote));
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for(int i=1; i<ntokens; i++)
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this->definitions[n].values[i-1] = wstrdup(tokens[i].unquote_if_needed(quote));
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for(int j=ntokens-1 ; j< NAMED_ENUM_MAX_SYNONYMS; j++)
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this->definitions[n].values[j]=NULL;
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n++;
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}
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else
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{
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// parameter
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int mlen;
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int eq = line.search("=", 1, mlen);
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if (eq <0)
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{
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cerr << "bad header line '" << line;
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return wrong_format;
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}
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EST_String key(line.before(eq));
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if (key == "quote")
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{
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quote = line[eq+1];
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// cout << "quote = '" << quote << "'\n";
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}
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else if (key == "number")
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{
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this->ndefinitions=atoi(line.after(eq,1));
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// cout << "n = '" << ndefinitions << "'\n";
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this->definitions = new Defn[this->ndefinitions];
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for(int i=0; i<this->ndefinitions; i++)
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this->definitions[i].values[0] =NULL;
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n=0;
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}
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else if (key == "unknown")
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{
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this->p_unknown_enum=(ENUM)atoi(line.after(eq,1));
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// cout << "unknown = '" << p_unknown_enum << "'\n";
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have_unknown=1;
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}
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else
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{
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cerr << "bad header line '" << line;
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return wrong_format;
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}
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}
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}
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fclose(file);
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return format_ok;
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}
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template<class ENUM>
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EST_write_status EST_TNamedEnum<ENUM>::priv_save(EST_String name, EST_TNamedEnum<ENUM> *definitive, char quote) const
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{
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FILE *file;
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if ((file=fopen(name, "wb"))==NULL)
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return write_fail;
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fprintf(file, "unknown=%d\n", this->p_unknown_enum);
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fprintf(file, "quote=%c\n", quote);
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fprintf(file, "number=%d\n", this->ndefinitions);
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for(int i=0; i<this->ndefinitions; i++)
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if (this->definitions[i].values[0])
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{
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if (definitive)
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fprintf(file, "%s ", (const char *)EST_String(definitive->name(this->definitions[i].token)).quote(quote));
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else
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fprintf(file, "=%d ", (int)this->definitions[i].token);
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for(int j=0; j<NAMED_ENUM_MAX_SYNONYMS && this->definitions[i].values[j] != NULL; j++)
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fprintf(file, "%s ", (const char *) EST_String(this->definitions[i].values[j]).quote_if_needed(quote));
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fputc('\n', file);
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}
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fclose(file);
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return write_ok;
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}
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