140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
/*
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* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <assert.h>
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#include "util.h"
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#include "gaiji.h"
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/*
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* Macros
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*/
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#define GAIJI_CONTEXT(name, ents) {\
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name,\
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gaiji_table_##ents##_wide,\
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ARRSIZE(gaiji_table_##ents##_wide),\
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gaiji_table_##ents##_narrow,\
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ARRSIZE(gaiji_table_##ents##_narrow)\
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}
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/*
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* Local data
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*/
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#include "gaiji_table_daijisen.h"
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static const Gaiji_context gaiji_contexts[] = {
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GAIJI_CONTEXT("大辞泉", daijisen),
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};
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/*
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* Local functions
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*/
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static void encode_sequence(char output[], int size, const char utf8[]) {
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const char hex[] = {
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
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};
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strncpy(output, "{{", size);
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int offset = strlen(output);
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for (int i = 0; i < MAX_UTF8_BYTES; ++i) {
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const char c = utf8[i];
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if (c == 0) {
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break;
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}
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if (offset >= size - 1) {
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break;
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}
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output[offset++] = hex[c >> 0x08];
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if (offset >= size - 1) {
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break;
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}
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output[offset++] = hex[c & 0x0f];
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}
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output[offset] = 0;
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strncat(output, "}}", size);
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}
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/*
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* Exported functions
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*/
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const Gaiji_context* gaiji_select_context(const char name[]) {
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for (unsigned i = 0; i < ARRSIZE(gaiji_contexts); ++i) {
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const Gaiji_context* context = gaiji_contexts + i;
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if (strcmp(context->name, name) == 0) {
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return context;
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}
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}
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return NULL;
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}
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void gaiji_build_stub(char output[], int size, int code, const Gaiji_context* context, Gaiji_width width) {
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do {
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if (context == NULL) {
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break;
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}
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const Gaiji_entry* entries = NULL;
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int count = 0;
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switch (width) {
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case GAIJI_WIDTH_WIDE:
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entries = context->table_wide;
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count = context->count_wide;
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break;
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case GAIJI_WIDTH_NARROW:
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entries = context->table_narrow;
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count = context->count_narrow;
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break;
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}
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assert(entries != NULL);
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for (int i = 0; i < count; ++i) {
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const Gaiji_entry* entry = entries + i;
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if (entry->code == code) {
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encode_sequence(output, size, entry->utf8);
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return;
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}
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}
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}
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while (0);
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strncpy(output, "<?>", size);
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output[size - 1] = 0;
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}
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void gaiji_fixup_stub(char output[], int size, const char input[]) {
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(void)output;
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(void)size;
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(void)input;
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}
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