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-rw-r--r--intl/icu/source/tools/gendict/gendict.cpp479
1 files changed, 479 insertions, 0 deletions
diff --git a/intl/icu/source/tools/gendict/gendict.cpp b/intl/icu/source/tools/gendict/gendict.cpp
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index 000000000..75c0bdd05
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+++ b/intl/icu/source/tools/gendict/gendict.cpp
@@ -0,0 +1,479 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+* Copyright (C) 2002-2016, International Business Machines
+* Corporation and others. All Rights Reserved.
+**********************************************************************
+*
+* File gendict.cpp
+*/
+
+#include "unicode/utypes.h"
+#include "unicode/uchar.h"
+#include "unicode/ucnv.h"
+#include "unicode/uniset.h"
+#include "unicode/unistr.h"
+#include "unicode/uclean.h"
+#include "unicode/udata.h"
+#include "unicode/putil.h"
+#include "unicode/ucharstriebuilder.h"
+#include "unicode/bytestriebuilder.h"
+#include "unicode/ucharstrie.h"
+#include "unicode/bytestrie.h"
+#include "unicode/ucnv.h"
+#include "unicode/utf16.h"
+
+#include "charstr.h"
+#include "dictionarydata.h"
+#include "uoptions.h"
+#include "unewdata.h"
+#include "cmemory.h"
+#include "uassert.h"
+#include "ucbuf.h"
+#include "toolutil.h"
+#include "cstring.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "putilimp.h"
+UDate startTime;
+
+static int elapsedTime() {
+ return (int)uprv_floor((uprv_getRawUTCtime()-startTime)/1000.0);
+}
+
+U_NAMESPACE_USE
+
+static char *progName;
+static UOption options[]={
+ UOPTION_HELP_H, /* 0 */
+ UOPTION_HELP_QUESTION_MARK, /* 1 */
+ UOPTION_VERBOSE, /* 2 */
+ UOPTION_ICUDATADIR, /* 4 */
+ UOPTION_COPYRIGHT, /* 5 */
+ { "uchars", NULL, NULL, NULL, '\1', UOPT_NO_ARG, 0}, /* 6 */
+ { "bytes", NULL, NULL, NULL, '\1', UOPT_NO_ARG, 0}, /* 7 */
+ { "transform", NULL, NULL, NULL, '\1', UOPT_REQUIRES_ARG, 0}, /* 8 */
+ UOPTION_QUIET, /* 9 */
+};
+
+enum arguments {
+ ARG_HELP = 0,
+ ARG_QMARK,
+ ARG_VERBOSE,
+ ARG_ICUDATADIR,
+ ARG_COPYRIGHT,
+ ARG_UCHARS,
+ ARG_BYTES,
+ ARG_TRANSFORM,
+ ARG_QUIET
+};
+
+// prints out the standard usage method describing command line arguments,
+// then bails out with the desired exit code
+static void usageAndDie(UErrorCode retCode) {
+ fprintf((U_SUCCESS(retCode) ? stdout : stderr), "Usage: %s -trietype [-options] input-dictionary-file output-file\n", progName);
+ fprintf((U_SUCCESS(retCode) ? stdout : stderr),
+ "\tRead in a word list and write out a string trie dictionary\n"
+ "options:\n"
+ "\t-h or -? or --help this usage text\n"
+ "\t-V or --version show a version message\n"
+ "\t-c or --copyright include a copyright notice\n"
+ "\t-v or --verbose turn on verbose output\n"
+ "\t-q or --quiet do not display warnings and progress\n"
+ "\t-i or --icudatadir directory for locating any needed intermediate data files,\n" // TODO: figure out if we need this option
+ "\t followed by path, defaults to %s\n"
+ "\t--uchars output a UCharsTrie (mutually exclusive with -b!)\n"
+ "\t--bytes output a BytesTrie (mutually exclusive with -u!)\n"
+ "\t--transform the kind of transform to use (eg --transform offset-40A3,\n"
+ "\t which specifies an offset transform with constant 0x40A3)\n",
+ u_getDataDirectory());
+ exit(retCode);
+}
+
+
+/* UDataInfo cf. udata.h */
+static UDataInfo dataInfo = {
+ sizeof(UDataInfo),
+ 0,
+
+ U_IS_BIG_ENDIAN,
+ U_CHARSET_FAMILY,
+ U_SIZEOF_UCHAR,
+ 0,
+
+ { 0x44, 0x69, 0x63, 0x74 }, /* "Dict" */
+ { 1, 0, 0, 0 }, /* format version */
+ { 0, 0, 0, 0 } /* data version */
+};
+
+#if !UCONFIG_NO_BREAK_ITERATION
+
+// A wrapper for both BytesTrieBuilder and UCharsTrieBuilder.
+// may want to put this somewhere in ICU, as it could be useful outside
+// of this tool?
+class DataDict {
+private:
+ BytesTrieBuilder *bt;
+ UCharsTrieBuilder *ut;
+ UChar32 transformConstant;
+ int32_t transformType;
+public:
+ // constructs a new data dictionary. if there is an error,
+ // it will be returned in status
+ // isBytesTrie != 0 will produce a BytesTrieBuilder,
+ // isBytesTrie == 0 will produce a UCharsTrieBuilder
+ DataDict(UBool isBytesTrie, UErrorCode &status) : bt(NULL), ut(NULL),
+ transformConstant(0), transformType(DictionaryData::TRANSFORM_NONE) {
+ if (isBytesTrie) {
+ bt = new BytesTrieBuilder(status);
+ } else {
+ ut = new UCharsTrieBuilder(status);
+ }
+ }
+
+ ~DataDict() {
+ delete bt;
+ delete ut;
+ }
+
+private:
+ char transform(UChar32 c, UErrorCode &status) {
+ if (transformType == DictionaryData::TRANSFORM_TYPE_OFFSET) {
+ if (c == 0x200D) { return (char)0xFF; }
+ else if (c == 0x200C) { return (char)0xFE; }
+ int32_t delta = c - transformConstant;
+ if (delta < 0 || 0xFD < delta) {
+ fprintf(stderr, "Codepoint U+%04lx out of range for --transform offset-%04lx!\n",
+ (long)c, (long)transformConstant);
+ exit(U_ILLEGAL_ARGUMENT_ERROR); // TODO: should return and print the line number
+ }
+ return (char)delta;
+ } else { // no such transform type
+ status = U_INTERNAL_PROGRAM_ERROR;
+ return (char)c; // it should be noted this transform type will not generally work
+ }
+ }
+
+ void transform(const UnicodeString &word, CharString &buf, UErrorCode &errorCode) {
+ UChar32 c = 0;
+ int32_t len = word.length();
+ for (int32_t i = 0; i < len; i += U16_LENGTH(c)) {
+ c = word.char32At(i);
+ buf.append(transform(c, errorCode), errorCode);
+ }
+ }
+
+public:
+ // sets the desired transformation data.
+ // should be populated from a command line argument
+ // so far the only acceptable format is offset-<hex constant>
+ // eventually others (mask-<hex constant>?) may be enabled
+ // more complex functions may be more difficult
+ void setTransform(const char *t) {
+ if (strncmp(t, "offset-", 7) == 0) {
+ char *end;
+ unsigned long base = uprv_strtoul(t + 7, &end, 16);
+ if (end == (t + 7) || *end != 0 || base > 0x10FF80) {
+ fprintf(stderr, "Syntax for offset value in --transform offset-%s invalid!\n", t + 7);
+ usageAndDie(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+ transformType = DictionaryData::TRANSFORM_TYPE_OFFSET;
+ transformConstant = (UChar32)base;
+ }
+ else {
+ fprintf(stderr, "Invalid transform specified: %s\n", t);
+ usageAndDie(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+ }
+
+ // add a word to the trie
+ void addWord(const UnicodeString &word, int32_t value, UErrorCode &status) {
+ if (bt) {
+ CharString buf;
+ transform(word, buf, status);
+ bt->add(buf.toStringPiece(), value, status);
+ }
+ if (ut) { ut->add(word, value, status); }
+ }
+
+ // if we are a bytestrie, give back the StringPiece representing the serialized version of us
+ StringPiece serializeBytes(UErrorCode &status) {
+ return bt->buildStringPiece(USTRINGTRIE_BUILD_SMALL, status);
+ }
+
+ // if we are a ucharstrie, produce the UnicodeString representing the serialized version of us
+ void serializeUChars(UnicodeString &s, UErrorCode &status) {
+ ut->buildUnicodeString(USTRINGTRIE_BUILD_SMALL, s, status);
+ }
+
+ int32_t getTransform() {
+ return (int32_t)(transformType | transformConstant);
+ }
+};
+#endif
+
+static const UChar LINEFEED_CHARACTER = 0x000A;
+static const UChar CARRIAGE_RETURN_CHARACTER = 0x000D;
+
+static UBool readLine(UCHARBUF *f, UnicodeString &fileLine, IcuToolErrorCode &errorCode) {
+ int32_t lineLength;
+ const UChar *line = ucbuf_readline(f, &lineLength, errorCode);
+ if(line == NULL || errorCode.isFailure()) { return FALSE; }
+ // Strip trailing CR/LF, comments, and spaces.
+ const UChar *comment = u_memchr(line, 0x23, lineLength); // '#'
+ if(comment != NULL) {
+ lineLength = (int32_t)(comment - line);
+ } else {
+ while(lineLength > 0 && (line[lineLength - 1] == CARRIAGE_RETURN_CHARACTER || line[lineLength - 1] == LINEFEED_CHARACTER)) { --lineLength; }
+ }
+ while(lineLength > 0 && u_isspace(line[lineLength - 1])) { --lineLength; }
+ fileLine.setTo(FALSE, line, lineLength);
+ return TRUE;
+}
+
+//----------------------------------------------------------------------------
+//
+// main for gendict
+//
+//----------------------------------------------------------------------------
+int main(int argc, char **argv) {
+ //
+ // Pick up and check the command line arguments,
+ // using the standard ICU tool utils option handling.
+ //
+ U_MAIN_INIT_ARGS(argc, argv);
+ progName = argv[0];
+ argc=u_parseArgs(argc, argv, UPRV_LENGTHOF(options), options);
+ if(argc<0) {
+ // Unrecognized option
+ fprintf(stderr, "error in command line argument \"%s\"\n", argv[-argc]);
+ usageAndDie(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+
+ if(options[ARG_HELP].doesOccur || options[ARG_QMARK].doesOccur) {
+ // -? or -h for help.
+ usageAndDie(U_ZERO_ERROR);
+ }
+
+ UBool verbose = options[ARG_VERBOSE].doesOccur;
+ UBool quiet = options[ARG_QUIET].doesOccur;
+
+ if (argc < 3) {
+ fprintf(stderr, "input and output file must both be specified.\n");
+ usageAndDie(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+ const char *outFileName = argv[2];
+ const char *wordFileName = argv[1];
+
+ startTime = uprv_getRawUTCtime(); // initialize start timer
+
+ if (options[ARG_ICUDATADIR].doesOccur) {
+ u_setDataDirectory(options[ARG_ICUDATADIR].value);
+ }
+
+ const char *copyright = NULL;
+ if (options[ARG_COPYRIGHT].doesOccur) {
+ copyright = U_COPYRIGHT_STRING;
+ }
+
+ if (options[ARG_UCHARS].doesOccur == options[ARG_BYTES].doesOccur) {
+ fprintf(stderr, "you must specify exactly one type of trie to output!\n");
+ usageAndDie(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+ UBool isBytesTrie = options[ARG_BYTES].doesOccur;
+ if (isBytesTrie != options[ARG_TRANSFORM].doesOccur) {
+ fprintf(stderr, "you must provide a transformation for a bytes trie, and must not provide one for a uchars trie!\n");
+ usageAndDie(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+
+ IcuToolErrorCode status("gendict/main()");
+
+#if UCONFIG_NO_BREAK_ITERATION || UCONFIG_NO_FILE_IO
+ const char* outDir=NULL;
+
+ UNewDataMemory *pData;
+ char msg[1024];
+ UErrorCode tempstatus = U_ZERO_ERROR;
+
+ /* write message with just the name */ // potential for a buffer overflow here...
+ sprintf(msg, "gendict writes dummy %s because of UCONFIG_NO_BREAK_ITERATION and/or UCONFIG_NO_FILE_IO, see uconfig.h", outFileName);
+ fprintf(stderr, "%s\n", msg);
+
+ /* write the dummy data file */
+ pData = udata_create(outDir, NULL, outFileName, &dataInfo, NULL, &tempstatus);
+ udata_writeBlock(pData, msg, strlen(msg));
+ udata_finish(pData, &tempstatus);
+ return (int)tempstatus;
+
+#else
+ // Read in the dictionary source file
+ if (verbose) { printf("Opening file %s...\n", wordFileName); }
+ const char *codepage = "UTF-8";
+ UCHARBUF *f = ucbuf_open(wordFileName, &codepage, TRUE, FALSE, status);
+ if (status.isFailure()) {
+ fprintf(stderr, "error opening input file: ICU Error \"%s\"\n", status.errorName());
+ exit(status.reset());
+ }
+ if (verbose) { printf("Initializing dictionary builder of type %s...\n", (isBytesTrie ? "BytesTrie" : "UCharsTrie")); }
+ DataDict dict(isBytesTrie, status);
+ if (status.isFailure()) {
+ fprintf(stderr, "new DataDict: ICU Error \"%s\"\n", status.errorName());
+ exit(status.reset());
+ }
+ if (options[ARG_TRANSFORM].doesOccur) {
+ dict.setTransform(options[ARG_TRANSFORM].value);
+ }
+
+ UnicodeString fileLine;
+ if (verbose) { puts("Adding words to dictionary..."); }
+ UBool hasValues = FALSE;
+ UBool hasValuelessContents = FALSE;
+ int lineCount = 0;
+ int wordCount = 0;
+ int minlen = 255;
+ int maxlen = 0;
+ UBool isOk = TRUE;
+ while (readLine(f, fileLine, status)) {
+ lineCount++;
+ if (fileLine.isEmpty()) continue;
+
+ // Parse word [spaces value].
+ int32_t keyLen;
+ for (keyLen = 0; keyLen < fileLine.length() && !u_isspace(fileLine[keyLen]); ++keyLen) {}
+ if (keyLen == 0) {
+ fprintf(stderr, "Error: no word on line %i!\n", lineCount);
+ isOk = FALSE;
+ continue;
+ }
+ int32_t valueStart;
+ for (valueStart = keyLen;
+ valueStart < fileLine.length() && u_isspace(fileLine[valueStart]);
+ ++valueStart) {}
+
+ if (keyLen < valueStart) {
+ int32_t valueLength = fileLine.length() - valueStart;
+ if (valueLength > 15) {
+ fprintf(stderr, "Error: value too long on line %i!\n", lineCount);
+ isOk = FALSE;
+ continue;
+ }
+ char s[16];
+ fileLine.extract(valueStart, valueLength, s, 16, US_INV);
+ char *end;
+ unsigned long value = uprv_strtoul(s, &end, 0);
+ if (end == s || *end != 0 || (int32_t)uprv_strlen(s) != valueLength || value > 0xffffffff) {
+ fprintf(stderr, "Error: value syntax error or value too large on line %i!\n", lineCount);
+ isOk = FALSE;
+ continue;
+ }
+ dict.addWord(fileLine.tempSubString(0, keyLen), (int32_t)value, status);
+ hasValues = TRUE;
+ wordCount++;
+ if (keyLen < minlen) minlen = keyLen;
+ if (keyLen > maxlen) maxlen = keyLen;
+ } else {
+ dict.addWord(fileLine.tempSubString(0, keyLen), 0, status);
+ hasValuelessContents = TRUE;
+ wordCount++;
+ if (keyLen < minlen) minlen = keyLen;
+ if (keyLen > maxlen) maxlen = keyLen;
+ }
+
+ if (status.isFailure()) {
+ fprintf(stderr, "ICU Error \"%s\": Failed to add word to trie at input line %d in input file\n",
+ status.errorName(), lineCount);
+ exit(status.reset());
+ }
+ }
+ if (verbose) { printf("Processed %d lines, added %d words, minlen %d, maxlen %d\n", lineCount, wordCount, minlen, maxlen); }
+
+ if (!isOk && status.isSuccess()) {
+ status.set(U_ILLEGAL_ARGUMENT_ERROR);
+ }
+ if (hasValues && hasValuelessContents) {
+ fprintf(stderr, "warning: file contained both valued and unvalued strings!\n");
+ }
+
+ if (verbose) { printf("Serializing data...isBytesTrie? %d\n", isBytesTrie); }
+ int32_t outDataSize;
+ const void *outData;
+ UnicodeString usp;
+ if (isBytesTrie) {
+ StringPiece sp = dict.serializeBytes(status);
+ outDataSize = sp.size();
+ outData = sp.data();
+ } else {
+ dict.serializeUChars(usp, status);
+ outDataSize = usp.length() * U_SIZEOF_UCHAR;
+ outData = usp.getBuffer();
+ }
+ if (status.isFailure()) {
+ fprintf(stderr, "gendict: got failure of type %s while serializing, if U_ILLEGAL_ARGUMENT_ERROR possibly due to duplicate dictionary entries\n", status.errorName());
+ exit(status.reset());
+ }
+ if (verbose) { puts("Opening output file..."); }
+ UNewDataMemory *pData = udata_create(NULL, NULL, outFileName, &dataInfo, copyright, status);
+ if (status.isFailure()) {
+ fprintf(stderr, "gendict: could not open output file \"%s\", \"%s\"\n", outFileName, status.errorName());
+ exit(status.reset());
+ }
+
+ if (verbose) { puts("Writing to output file..."); }
+ int32_t indexes[DictionaryData::IX_COUNT] = {
+ DictionaryData::IX_COUNT * sizeof(int32_t), 0, 0, 0, 0, 0, 0, 0
+ };
+ int32_t size = outDataSize + indexes[DictionaryData::IX_STRING_TRIE_OFFSET];
+ indexes[DictionaryData::IX_RESERVED1_OFFSET] = size;
+ indexes[DictionaryData::IX_RESERVED2_OFFSET] = size;
+ indexes[DictionaryData::IX_TOTAL_SIZE] = size;
+
+ indexes[DictionaryData::IX_TRIE_TYPE] = isBytesTrie ? DictionaryData::TRIE_TYPE_BYTES : DictionaryData::TRIE_TYPE_UCHARS;
+ if (hasValues) {
+ indexes[DictionaryData::IX_TRIE_TYPE] |= DictionaryData::TRIE_HAS_VALUES;
+ }
+
+ indexes[DictionaryData::IX_TRANSFORM] = dict.getTransform();
+ udata_writeBlock(pData, indexes, sizeof(indexes));
+ udata_writeBlock(pData, outData, outDataSize);
+ size_t bytesWritten = udata_finish(pData, status);
+ if (status.isFailure()) {
+ fprintf(stderr, "gendict: error \"%s\" writing the output file\n", status.errorName());
+ exit(status.reset());
+ }
+
+ if (bytesWritten != (size_t)size) {
+ fprintf(stderr, "Error writing to output file \"%s\"\n", outFileName);
+ exit(U_INTERNAL_PROGRAM_ERROR);
+ }
+
+ if (!quiet) { printf("%s: done writing\t%s (%ds).\n", progName, outFileName, elapsedTime()); }
+
+#ifdef TEST_GENDICT
+ if (isBytesTrie) {
+ BytesTrie::Iterator it(outData, outDataSize, status);
+ while (it.hasNext()) {
+ it.next(status);
+ const StringPiece s = it.getString();
+ int32_t val = it.getValue();
+ printf("%s -> %i\n", s.data(), val);
+ }
+ } else {
+ UCharsTrie::Iterator it((const UChar *)outData, outDataSize, status);
+ while (it.hasNext()) {
+ it.next(status);
+ const UnicodeString s = it.getString();
+ int32_t val = it.getValue();
+ char tmp[1024];
+ s.extract(0, s.length(), tmp, 1024);
+ printf("%s -> %i\n", tmp, val);
+ }
+ }
+#endif
+
+ return 0;
+#endif /* #if !UCONFIG_NO_BREAK_ITERATION */
+}
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