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// Copyright 2000 by Kevin Atkinson under the terms of the LGPL
#include "language.hpp"
#include "phonetic.hpp"
#include "phonet.hpp"
#include "file_util.hpp"
#include "file_data_util.hpp"
#include "clone_ptr-t.hpp"
namespace aspeller {
class SimpileSoundslike : public Soundslike {
private:
const Language * lang;
char first[256];
char rest[256];
public:
SimpileSoundslike(const Language * l) : lang(l) {}
PosibErr<void> setup(Conv &) {
memcpy(first, lang->sl_first_, 256);
memcpy(rest, lang->sl_rest_, 256);
return no_err;
}
String soundslike_chars() const {
bool chars_set[256] = {0};
for (int i = 0; i != 256; ++i)
{
char c = first[i];
if (c) chars_set[static_cast<unsigned char>(c)] = true;
c = rest[i];
if (c) chars_set[static_cast<unsigned char>(c)] = true;
}
String chars_list;
for (int i = 0; i != 256; ++i)
{
if (chars_set[i])
chars_list += static_cast<char>(i);
}
return chars_list;
}
char * to_soundslike(char * res, const char * str, int size) const
{
char prev, cur = '\0';
const char * i = str;
while (*i) {
cur = first[static_cast<unsigned char>(*i++)];
if (cur) {*res++ = cur; break;}
}
prev = cur;
while (*i) {
cur = rest[static_cast<unsigned char>(*i++)];
if (cur && cur != prev) *res++ = cur;
prev = cur;
}
*res = '\0';
return res;
}
const char * name () const {
return "simple";
}
const char * version() const {
return "2.0";
}
};
class NoSoundslike : public Soundslike {
private:
const Language * lang;
public:
NoSoundslike(const Language * l) : lang(l) {}
PosibErr<void> setup(Conv &) {return no_err;}
String soundslike_chars() const {
return get_clean_chars(*lang);
}
char * to_soundslike(char * res, const char * str, int size) const
{
return lang->LangImpl::to_clean(res, str);
}
const char * name() const {
return "none";
}
const char * version() const {
return "1.0";
}
};
class StrippedSoundslike : public Soundslike {
private:
const Language * lang;
public:
StrippedSoundslike(const Language * l) : lang(l) {}
PosibErr<void> setup(Conv &) {return no_err;}
String soundslike_chars() const {
return get_stripped_chars(*lang);
}
char * to_soundslike(char * res, const char * str, int size) const
{
return lang->LangImpl::to_stripped(res, str);
}
const char * name() const {
return "stripped";
}
const char * version() const {
return "1.0";
}
};
class PhonetSoundslike : public Soundslike {
const Language * lang;
StackPtr<PhonetParms> phonet_parms;
public:
PhonetSoundslike(const Language * l) : lang(l) {}
PosibErr<void> setup(Conv & iconv) {
String file;
file += lang->data_dir();
file += '/';
file += lang->name();
file += "_phonet.dat";
PosibErr<PhonetParms *> pe = new_phonet(file, iconv, lang);
if (pe.has_err()) return pe;
phonet_parms.reset(pe);
return no_err;
}
String soundslike_chars() const
{
bool chars_set[256] = {0};
String chars_list;
for (const char * * i = phonet_parms->rules + 1;
*(i-1) != PhonetParms::rules_end;
i += 2)
{
for (const char * j = *i; *j; ++j)
{
chars_set[static_cast<unsigned char>(*j)] = true;
}
}
for (int i = 0; i != 256; ++i)
{
if (chars_set[i])
chars_list += static_cast<char>(i);
}
return chars_list;
}
char * to_soundslike(char * res, const char * str, int size) const
{
int new_size = phonet(str, res, size, *phonet_parms);
return res + new_size;
}
const char * name() const
{
return "phonet";
}
const char * version() const
{
return phonet_parms->version.c_str();
}
};
PosibErr<Soundslike *> new_soundslike(ParmString name,
Conv & iconv,
const Language * lang)
{
Soundslike * sl;
if (name == "simple" || name == "generic") {
sl = new SimpileSoundslike(lang);
} else if (name == "stripped") {
sl = new StrippedSoundslike(lang);
} else if (name == "none") {
sl = new NoSoundslike(lang);
} else if (name == lang->name()) {
sl = new PhonetSoundslike(lang);
} else {
abort(); // FIXME
}
PosibErrBase pe = sl->setup(iconv);
if (pe.has_err()) {
delete sl;
return pe;
} else {
return sl;
}
}
}
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