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EST_TNamedEnum.cc
/************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
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/* the following conditions: */
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/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
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/* derived from this software without specific prior written */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* */
/************************************************************************/
/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
/* Date: Fri Feb 28 1997 */
/************************************************************************/
/* */
/* A template class which allows names (const char *s) to be */
/* associated with enums, providing conversion. */
/* */
/************************************************************************/
#include <cstdlib>
#include <iostream>
#include <cstdio>
#include "EST_walloc.h"
#include "EST_TNamedEnum.h"
// This only takes a void * because I can't manage to get the
// parameter declaration in the definition past gcc with the actual type.
template<class ENUM, class VAL, class INFO>
void EST_TValuedEnumI<ENUM,VAL,INFO>::initialise(const void *vdefs)
{
int n=0;
typedef EST_TValuedEnumDefinition<ENUM,VAL,INFO> defn;
const defn *defs = (const defn *)vdefs;
for(n=1; defs[n].token != defs[0].token; n++)
;
this->ndefinitions = n;
this->definitions = new defn[n];
this->definitions[0] = defs[0];
for(n=1; defs[n].token != defs[0].token; n++)
this->definitions[n] = defs[n];
this->p_unknown_enum = defs[n].token;
this->p_unknown_value = defs[n].values[0];
}
template<class ENUM, class VAL, class INFO>
void EST_TValuedEnumI<ENUM,VAL,INFO>::initialise(const void *vdefs, ENUM (*conv)(const char *))
{
int n=0;
// const struct EST_TValuedEnumDefinition<const char *,VAL,INFO> *defs = (const struct EST_TValuedEnumDefinition<const char *,VAL,INFO> *)vdefs;
typedef EST_TValuedEnumDefinition<const char *,VAL,INFO> _EST_TMPNAME;
const _EST_TMPNAME *defs = (const _EST_TMPNAME *)vdefs;
// fprintf(stderr, "start setup\n");
for(n=1; strcmp(defs[n].token, defs[0].token) != 0; n++)
{
//const char *a = defs[0].token;
// const char *b = defs[n].token;
// fprintf(stderr, ": %d '%s' '%s'\n", n, defs[n].token, defs[0].token);
}
this->ndefinitions = n;
typedef EST_TValuedEnumDefinition<ENUM,VAL,INFO> defn;
this->definitions = new defn[n];
this->definitions[0].token = conv(defs[0].token);
for(int i=0; i<NAMED_ENUM_MAX_SYNONYMS; i++)
this->definitions[0].values[i] = defs[0].values[i];
this->definitions[0].info = defs[0].info;
for(n=1; strcmp(defs[n].token, defs[0].token) != 0; n++)
{
this->definitions[n].token = conv(defs[n].token);
for(int i2=0; i2<NAMED_ENUM_MAX_SYNONYMS; i2++)
this->definitions[n].values[i2] = defs[n].values[i2];
this->definitions[n].info = defs[n].info;
}
this->p_unknown_enum = conv(defs[n].token);
this->p_unknown_value = defs[n].values[0];
}
template<class ENUM, class VAL, class INFO>
EST_TValuedEnumI<ENUM,VAL,INFO>::~EST_TValuedEnumI(void)
{
if (this->definitions)
delete[] this->definitions;
}
template<class ENUM, class VAL, class INFO>
int EST_TValuedEnumI<ENUM,VAL,INFO>::n(void) const
{
return this->ndefinitions;
}
template<class ENUM, class VAL, class INFO>
VAL EST_TValuedEnumI<ENUM,VAL,INFO>::value (ENUM token, int n) const
{
int i;
for(i=0; i<this->ndefinitions; i++)
if (this->definitions[i].token == token)
return this->definitions[i].values[n];
return this->p_unknown_value;
}
template<class ENUM, class VAL, class INFO>
INFO &EST_TValuedEnumI<ENUM,VAL,INFO>::info (ENUM token) const
{
int i;
for(i=0; i<this->ndefinitions; i++)
if (this->definitions[i].token == token)
return this->definitions[i].info;
cerr << "Fetching info for invalid entry\n";
abort();
static INFO dummyI;
return dummyI;
}
template<class ENUM, class VAL, class INFO>
ENUM EST_TValuedEnumI<ENUM,VAL,INFO>::nth_token (int n) const
{
if (n>=0 && n < this->ndefinitions)
return this->definitions[n].token;
return this->p_unknown_enum;
}
template<class ENUM, class VAL, class INFO>
ENUM EST_TValuedEnumI<ENUM,VAL,INFO>::token (VAL value) const
{
int i,j;
for(i=0; i<this->ndefinitions; i++)
for(j=0; j<NAMED_ENUM_MAX_SYNONYMS && this->definitions[i].values[j] ; j++)
if (eq_vals(this->definitions[i].values[j], value))
return this->definitions[i].token;
return this->p_unknown_enum;
}
template<class ENUM>
EST_read_status EST_TNamedEnum<ENUM>::priv_load(EST_String name, EST_TNamedEnum<ENUM> *definitive)
{
typedef EST_TValuedEnumDefinition<ENUM, const char *, NO_INFO> Defn;
#define LINE_LENGTH (1024)
EST_String line(NULL, 'x', LINE_LENGTH);
char *buffer = (char *)line;
EST_String tokens[NAMED_ENUM_MAX_SYNONYMS+2];
FILE *file;
char quote = '\0';
int have_unknown=0;
int n=0;
if ((file=fopen(name, "rb"))==NULL)
return misc_read_error;
if (this->definitions)
delete[] this->definitions;
this->ndefinitions= -1;
this->definitions=NULL;
buffer[LINE_LENGTH-1] = 'x';
while (fgets(buffer, LINE_LENGTH, file))
{
if ( buffer[LINE_LENGTH-1] != 'x')
{
cerr << "line too long .. '" << buffer << "'\n";
return wrong_format;
}
if (this->ndefinitions>=0 && quote != '\0' && buffer[0] == '=')
{
// definition by number
if ( n>= this->ndefinitions)
{
cerr << "too many definitions\n";
return wrong_format;
}
int ntokens = split(line, tokens, NAMED_ENUM_MAX_SYNONYMS+2, RXwhite, '"');
this->definitions[n].token = (ENUM)atoi(tokens[0].after(0,1));
for(int i=1; i<ntokens; i++)
this->definitions[n].values[i-1] = wstrdup(tokens[i].unquote_if_needed(quote));
for(int j=ntokens-1 ; j< NAMED_ENUM_MAX_SYNONYMS; j++)
this->definitions[n].values[j]=NULL;
n++;
}
else if (have_unknown && this->ndefinitions>=0 && quote != '\0' && buffer[0] == quote)
{
// definition by standard name
if (!definitive)
{
cerr << "can't use names in this definition\n";
return wrong_format;
}
if ( n>= this->ndefinitions)
{
cerr << "too many definitions\n";
return wrong_format;
}
int ntokens = split(line, tokens, NAMED_ENUM_MAX_SYNONYMS+2, RXwhite, quote);
this->definitions[n].token = definitive->token(tokens[0].unquote(quote));
for(int i=1; i<ntokens; i++)
this->definitions[n].values[i-1] = wstrdup(tokens[i].unquote_if_needed(quote));
for(int j=ntokens-1 ; j< NAMED_ENUM_MAX_SYNONYMS; j++)
this->definitions[n].values[j]=NULL;
n++;
}
else
{
// parameter
int mlen;
int eq = line.search("=", 1, mlen);
if (eq <0)
{
cerr << "bad header line '" << line;
return wrong_format;
}
EST_String key(line.before(eq));
if (key == "quote")
{
quote = line[eq+1];
// cout << "quote = '" << quote << "'\n";
}
else if (key == "number")
{
this->ndefinitions=atoi(line.after(eq,1));
// cout << "n = '" << ndefinitions << "'\n";
this->definitions = new Defn[this->ndefinitions];
for(int i=0; i<this->ndefinitions; i++)
this->definitions[i].values[0] =NULL;
n=0;
}
else if (key == "unknown")
{
this->p_unknown_enum=(ENUM)atoi(line.after(eq,1));
// cout << "unknown = '" << p_unknown_enum << "'\n";
have_unknown=1;
}
else
{
cerr << "bad header line '" << line;
return wrong_format;
}
}
}
fclose(file);
return format_ok;
}
template<class ENUM>
EST_write_status EST_TNamedEnum<ENUM>::priv_save(EST_String name, EST_TNamedEnum<ENUM> *definitive, char quote) const
{
FILE *file;
if ((file=fopen(name, "wb"))==NULL)
return write_fail;
fprintf(file, "unknown=%d\n", this->p_unknown_enum);
fprintf(file, "quote=%c\n", quote);
fprintf(file, "number=%d\n", this->ndefinitions);
for(int i=0; i<this->ndefinitions; i++)
if (this->definitions[i].values[0])
{
if (definitive)
fprintf(file, "%s ", (const char *)EST_String(definitive->name(this->definitions[i].token)).quote(quote));
else
fprintf(file, "=%d ", (int)this->definitions[i].token);
for(int j=0; j<NAMED_ENUM_MAX_SYNONYMS && this->definitions[i].values[j] != NULL; j++)
fprintf(file, "%s ", (const char *) EST_String(this->definitions[i].values[j]).quote_if_needed(quote));
fputc('\n', file);
}
fclose(file);
return write_ok;
}
EST_String
Definition EST_String.h:70
EST_String::quote
EST_String quote(const char quotec) const
Return the string in quotes with internal quotes protected.
Definition EST_String.cc:1029
EST_TNamedEnum
Definition EST_TNamedEnum.h:148
EST_TValuedEnumDefinition
Definition EST_TNamedEnum.h:70