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125 lines
4.3 KiB
C
125 lines
4.3 KiB
C
/**
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* SPDX-FileCopyrightText: Copyright (C) 2024 ZeldaRET
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include "xml.h"
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#include "samplebank.h"
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#include "util.h"
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const char *
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samplebank_path_forname(samplebank *sb, const char *name)
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{
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assert(name != NULL);
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for (size_t i = 0; i < sb->num_samples; i++) {
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if (strequ(sb->sample_names[i], name))
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return sb->sample_paths[i];
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}
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return NULL;
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}
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typedef struct {
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const char *name;
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const char *path;
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} samplebank_xml_entry;
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void
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read_samplebank_xml(samplebank *sb, xmlDocPtr doc)
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{
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// XML Example:
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// <SampleBank Name="" Index="" Medium="" CachePolicy="" BufferBug="">
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// <Pointer Index=""/>
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// <Sample Name="" Path=""/>
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// <Blob Name="" Path=""/>
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static const xml_attr_spec header_spec = {
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{"Name", false, xml_parse_c_identifier, offsetof(samplebank, name) },
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{ "Index", false, xml_parse_int, offsetof(samplebank, index) },
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{ "Medium", false, xml_parse_c_identifier, offsetof(samplebank, medium) },
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{ "CachePolicy", false, xml_parse_c_identifier, offsetof(samplebank, cache_policy)},
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{ "BufferBug", true, xml_parse_bool, offsetof(samplebank, buffer_bug) },
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};
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static const xml_attr_spec entry_spec = {
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{"Name", false, xml_parse_c_identifier, offsetof(samplebank_xml_entry, name)},
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{ "Path", false, xml_parse_string, offsetof(samplebank_xml_entry, path)},
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};
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xmlNodePtr root = xmlDocGetRootElement(doc);
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if (!strequ(XMLSTR_TO_STR(root->name), "SampleBank"))
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error("Root node must be <SampleBank>");
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sb->buffer_bug = false;
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xml_parse_node_by_spec(sb, root, header_spec, ARRAY_COUNT(header_spec));
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if (root->children == NULL)
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error("Missing samples list");
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size_t entries_cap = 8;
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size_t entries_len = 0;
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sb->sample_names = malloc(entries_cap * sizeof(const char *));
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sb->sample_paths = malloc(entries_cap * sizeof(const char *));
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sb->is_sample = malloc(entries_cap * sizeof(bool));
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size_t pointers_cap = 4;
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size_t pointers_len = 0;
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sb->pointer_indices = malloc(pointers_cap * sizeof(int));
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LL_FOREACH(xmlNodePtr, node, root->children) {
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if (node->type != XML_ELEMENT_NODE)
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continue;
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if (node->children != NULL) {
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xmlNodePtr first_child = node->children;
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const char *child_name = XMLSTR_TO_STR(first_child->name);
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error("Unexpected child node(s) (first is %s) in samples list (line %d)", child_name, first_child->line);
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}
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const char *node_name = XMLSTR_TO_STR(node->name);
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bool is_sample;
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if (strequ(node_name, "Sample")) {
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is_sample = true;
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} else if (strequ(node_name, "Blob")) {
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is_sample = false;
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} else if (strequ(node_name, "Pointer")) {
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// pointer entry
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int ptr_index;
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xml_get_single_property(&ptr_index, node, "Index", xml_parse_int);
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if (pointers_len == pointers_cap) {
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pointers_cap *= 2;
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sb->pointer_indices = realloc(sb->pointer_indices, pointers_cap * sizeof(int));
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}
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sb->pointer_indices[pointers_len++] = ptr_index;
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continue;
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} else {
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error("Unexpected element node %s in samples list (line %d)", node_name, node->line);
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}
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samplebank_xml_entry ent;
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xml_parse_node_by_spec(&ent, node, entry_spec, ARRAY_COUNT(entry_spec));
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if (entries_len == entries_cap) {
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entries_cap *= 2;
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sb->sample_names = realloc(sb->sample_names, entries_cap * sizeof(const char *));
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sb->sample_paths = realloc(sb->sample_paths, entries_cap * sizeof(const char *));
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sb->is_sample = realloc(sb->is_sample, entries_cap * sizeof(bool));
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}
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sb->sample_names[entries_len] = ent.name;
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sb->sample_paths[entries_len] = ent.path;
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sb->is_sample[entries_len] = is_sample;
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entries_len++;
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}
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sb->num_samples = entries_len;
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sb->num_pointers = pointers_len;
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}
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