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lt-reweight: assign weights to a compiled transducer based on a corpus
Write the utility to process tagged corpus and the binary lttoolbox file and return weighted analyses. Closes apertium#16
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,238 @@ | ||
| /* | ||
| * Copyright (C) 2005 Universitat d'Alacant / Universidad de Alicante | ||
| * | ||
| * This program is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU General Public License as | ||
| * published by the Free Software Foundation; either version 2 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but | ||
| * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| #include <lttoolbox/compiler.h> | ||
| #include <lttoolbox/att_compiler.h> | ||
| #include <lttoolbox/lttoolbox_config.h> | ||
| #include <lttoolbox/lt_locale.h> | ||
| #include <lttoolbox/string_to_wostream.h> | ||
|
|
||
| #include <cstdlib> | ||
| #include <iostream> | ||
| #include <libgen.h> | ||
| #include <string> | ||
| #include <getopt.h> | ||
|
|
||
| using namespace std; | ||
|
|
||
| void errorFunc(void *ctx, const char *msg, ...) | ||
| { | ||
| return; | ||
| } | ||
|
|
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| void endProgram(char *name) | ||
| { | ||
| if(name != NULL) | ||
| { | ||
| cout << basename(name) << " v" << PACKAGE_VERSION <<": assign weights to a compiled transducer based on a corpus." << endl; | ||
| cout << "USAGE: " << basename(name) << " [-avh] lr | rl binary_lttoolbox_file tagged_corpus" << endl; | ||
| cout << " -v: set language variant" << endl; | ||
| cout << " -a: set alternative (monodix)" << endl; | ||
| cout << " -l: set left language variant (bidix)" << endl; | ||
| cout << " -r: set right language variant (bidix)" << endl; | ||
| cout << "Modes:" << endl; | ||
| cout << " lr: left-to-right compilation" << endl; | ||
| cout << " rl: right-to-left compilation" << endl; | ||
| } | ||
| exit(EXIT_FAILURE); | ||
| } | ||
|
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||
|
|
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| int main(int argc, char *argv[]) | ||
| { | ||
| char ttype = 'x'; | ||
| Compiler c; | ||
| AttCompiler a; | ||
| c.setVerbose(false); | ||
|
|
||
| #if HAVE_GETOPT_LONG | ||
| int option_index=0; | ||
| #endif | ||
|
|
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| string vl; | ||
| string vr; | ||
|
|
||
| while (true) { | ||
| #if HAVE_GETOPT_LONG | ||
| static struct option long_options[] = | ||
| { | ||
| {"alt", required_argument, 0, 'a'}, | ||
| {"var", required_argument, 0, 'v'}, | ||
| {"var-left", required_argument, 0, 'l'}, | ||
| {"var-right", required_argument, 0, 'r'}, | ||
| {"help", no_argument, 0, 'h'}, | ||
| {"verbose", no_argument, 0, 'V'}, | ||
| {0, 0, 0, 0} | ||
| }; | ||
|
|
||
| int cnt=getopt_long(argc, argv, "a:v:l:r:hV", long_options, &option_index); | ||
| #else | ||
| int cnt=getopt(argc, argv, "a:v:l:r:hV"); | ||
| #endif | ||
| if (cnt==-1) | ||
| break; | ||
|
|
||
| switch (cnt) | ||
| { | ||
| case 'a': | ||
| c.setAltValue(optarg); | ||
| break; | ||
|
|
||
| case 'v': | ||
| c.setVariantValue(optarg); | ||
| break; | ||
|
|
||
| case 'l': | ||
| vl = optarg; | ||
| c.setVariantLeftValue(vl); | ||
| break; | ||
|
|
||
| case 'r': | ||
| vr = optarg; | ||
| c.setVariantRightValue(vr); | ||
| break; | ||
|
|
||
| case 'V': | ||
| c.setVerbose(true); | ||
| break; | ||
|
|
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| case 'h': | ||
| default: | ||
| endProgram(argv[0]); | ||
| break; | ||
| } | ||
| } | ||
|
|
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| string opc; | ||
| string infile; | ||
| string outfile; | ||
| string acxfile; | ||
|
|
||
| switch(argc - optind + 1) | ||
| { | ||
| case 5: | ||
| opc = argv[argc-4]; | ||
| infile = argv[argc-3]; | ||
| outfile = argv[argc-2]; | ||
| acxfile = argv[argc-1]; | ||
| break; | ||
|
|
||
| case 4: | ||
| opc = argv[argc-3]; | ||
| infile = argv[argc-2]; | ||
| outfile = argv[argc-1]; | ||
| break; | ||
|
|
||
| default: | ||
| endProgram(argv[0]); | ||
| break; | ||
| } | ||
|
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| xmlTextReaderPtr reader; | ||
| reader = xmlReaderForFile(infile.c_str(), NULL, 0); | ||
| xmlGenericErrorFunc handler = (xmlGenericErrorFunc)errorFunc; | ||
| initGenericErrorDefaultFunc(&handler); | ||
| if(reader != NULL) | ||
| { | ||
| int ret = xmlTextReaderRead(reader); | ||
| if(ret != 1) | ||
| { | ||
| ttype = 'a'; | ||
| } | ||
| xmlFreeTextReader(reader); | ||
| xmlCleanupParser(); | ||
| } | ||
| else | ||
| { | ||
| wcerr << "Error: Cannot not open file '" << infile << "'." << endl << endl; | ||
| exit(EXIT_FAILURE); | ||
| } | ||
| initGenericErrorDefaultFunc(NULL); | ||
|
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|
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| if(opc == "lr") | ||
| { | ||
| if(vr == "" && vl != "") | ||
| { | ||
| cout << "Error: -l specified, but mode is lr" << endl; | ||
| endProgram(argv[0]); | ||
| } | ||
| if(ttype == 'a') | ||
| { | ||
| #if defined __clang__ | ||
| locale::global(locale(""));; | ||
| #elif defined __APPLE__ | ||
| LtLocale::tryToSetLocale(); | ||
| #else | ||
| locale::global(locale(""));; | ||
| #endif | ||
| a.parse(infile, Compiler::COMPILER_RESTRICTION_LR_VAL); | ||
| } | ||
| else | ||
| { | ||
| LtLocale::tryToSetLocale(); | ||
| if(acxfile != "") | ||
| { | ||
| c.parseACX(acxfile, Compiler::COMPILER_RESTRICTION_LR_VAL); | ||
| } | ||
| c.parse(infile, Compiler::COMPILER_RESTRICTION_LR_VAL); | ||
| } | ||
| } | ||
| else if(opc == "rl") | ||
| { | ||
| if(vl == "" && vr != "") | ||
| { | ||
| cout << "Error: -r specified, but mode is rl" << endl; | ||
| endProgram(argv[0]); | ||
| } | ||
| if(ttype == 'a') | ||
| { | ||
| #if defined __clang__ | ||
| locale::global(locale(""));; | ||
| #elif defined __APPLE__ | ||
| LtLocale::tryToSetLocale(); | ||
| #else | ||
| locale::global(locale(""));; | ||
| #endif | ||
| a.parse(infile, Compiler::COMPILER_RESTRICTION_RL_VAL); | ||
| } | ||
| else | ||
| { | ||
| LtLocale::tryToSetLocale(); | ||
| c.parse(infile, Compiler::COMPILER_RESTRICTION_RL_VAL); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| endProgram(argv[0]); | ||
| } | ||
|
|
||
| FILE *output = fopen(outfile.c_str(), "wb"); | ||
| if(!output) | ||
| { | ||
| wcerr << "Error: Cannot open file '" << outfile << "'." << endl; | ||
| exit(EXIT_FAILURE); | ||
| } | ||
| if(ttype == 'a') | ||
| { | ||
| a.write(output); | ||
| } | ||
| else | ||
| { | ||
| c.write(output); | ||
| } | ||
| fclose(output); | ||
| } |