149 lines
4.2 KiB
C
149 lines
4.2 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 <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include "util.h"
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#include "convert.h"
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#include "eb/eb/eb.h"
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#include "eb/eb/error.h"
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#include "eb/eb/text.h"
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#include "jansson/include/jansson.h"
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/*
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* Local functions
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*/
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static void encode_entry(Entry* entry, json_t* entry_json) {
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json_object_set_new(entry_json, "heading", json_string(entry->heading));
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json_object_set_new(entry_json, "text", json_string(entry->text));
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}
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static void encode_subbook(Subbook* subbook, json_t* subbook_json) {
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if (subbook->title != NULL) {
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json_object_set_new(subbook_json, "title", json_string(subbook->title));
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}
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if (subbook->copyright != NULL) {
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json_object_set_new(subbook_json, "copyright", json_string(subbook->copyright));
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}
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json_t* entry_json_array = json_array();
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for (int i = 0; i < subbook->entry_count; ++i) {
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json_t* entry_json = json_object();
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encode_entry(subbook->entries + i, entry_json);
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json_array_append(entry_json_array, entry_json);
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json_decref(entry_json);
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}
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json_object_set(subbook_json, "entries", entry_json_array);
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json_decref(entry_json_array);
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}
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static void encode_book(Book* book, json_t* book_json) {
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json_object_set_new(book_json, "characterCode", json_string(book->character_code));
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json_object_set_new(book_json, "discCode", json_string(book->disc_code));
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json_t* subbook_json_array = json_array();
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for (int i = 0; i < book->subbook_count; ++i) {
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json_t* subbook_json = json_object();
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encode_subbook(book->subbooks + i, subbook_json);
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json_array_append(subbook_json_array, subbook_json);
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json_decref(subbook_json);
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}
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json_object_set(book_json, "subbooks", subbook_json_array);
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json_decref(subbook_json_array);
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}
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/*
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* Exported functions
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*/
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char* read_book_data(EB_Book* book, EB_Hookset* hookset, Gaiji_Context* context, const EB_Position* position, Read_Mode mode) {
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if (eb_seek_text(book, position) != EB_SUCCESS) {
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return NULL;
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}
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char data[1024];
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ssize_t data_length = 0;
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EB_Error_Code error;
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switch (mode) {
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case READ_MODE_TEXT:
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error = eb_read_text(
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book,
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NULL,
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hookset,
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context,
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ARRSIZE(data) - 1,
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data,
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&data_length
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);
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break;
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case READ_MODE_HEADING:
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error = eb_read_heading(
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book,
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NULL,
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hookset,
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context,
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ARRSIZE(data) - 1,
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data,
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&data_length
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);
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break;
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default:
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return NULL;
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}
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return error == EB_SUCCESS ? eucjp_to_utf8(data) : NULL;
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}
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void free_book(Book* book) {
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for (int i = 0; i < book->subbook_count; ++i) {
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Subbook* subbook = book->subbooks + i;
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free(subbook->title);
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free(subbook->copyright);
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for (int j = 0; j < subbook->entry_count; ++j) {
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Entry* entry = subbook->entries + j;
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free(entry->heading);
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free(entry->text);
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}
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free(subbook->entries);
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}
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}
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void dump_book(Book* book, bool pretty_print, FILE* fp) {
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json_t* book_json = json_object();
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encode_book(book, book_json);
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char* output = json_dumps(book_json, pretty_print ? JSON_INDENT(4) : JSON_COMPACT);
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if (output != NULL) {
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fputs(output, fp);
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}
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free(output);
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json_decref(book_json);
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}
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