94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/**
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* Copyright (c) 2021 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#include "xml.h"
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void xmlParseElement(xmlnode_t *node, char *string) {
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char c;
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int32_t i, j;
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uint8_t state;
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node->attributeCount = 0;
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i = 0;
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state = XML_STATE_NOTHING;
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while(c = string[i++]) {
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switch(state) {
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case XML_STATE_NOTHING:
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if(c != '<') continue;
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node->start = string + (i - 1);
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state = XML_STATE_PARSING_NAME;
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break;
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case XML_STATE_PARSING_NAME:
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if(c == ' ' || c == '\n' || c == '\r') continue;
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j = i - 1;
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while(c = string[j++]) {
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if(c == ' ') break;
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node->name[j] = c;
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}
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i = j;
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state = XML_STATE_PARSING_ATTRIBUTES;
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break;
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case XML_STATE_PARSING_ATTRIBUTES:
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if(c == ' ' || c == '\n' || c == '\r') continue;
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if(c == '>') {
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node->internal = string + i;
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break;
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continue;
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}
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// Parse Name
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node->attributeNames[node->attributeCount] = string + (i - 1);
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node->attributeNameLengths[node->attributeCount] = 0;
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while(c == ' ' && c == '\n' && c == '\r' && c != '>' && c != '=' && c != '\0') {
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c = string[i++];
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node->attributeNameLengths[node->attributeCount]++;
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}
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if(c == '>') {
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i--;
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node->attributeValues[node->attributeCount] = NULL;
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node->attributeValueLengths[node->attributeCount] = 0;
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node->attributeCount++;
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continue;
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}
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// Wait for = sign
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while(c == ' ' || c == '\n' || c == '\r') c = string[i++];
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// Handle booleans
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if(c != '=') {
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node->attributeValues[node->attributeCount] = NULL;
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node->attributeValueLengths[node->attributeCount] = 0;
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node->attributeCount++;
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i--;
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continue;
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}
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node->attributeValues[node->attributeCount] = string + i;
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node->attributeValueLengths[node->attributeCount] = 0;
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do {
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c = string[i++];
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node->attributeNameLengths[node->attributeCount]++;
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if(c == '\0' || c == '"') break;
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if(c == '\\') {
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i++;
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node->attributeNameLengths[node->attributeCount]++;
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}
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} while(c);
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node->attributeCount++;
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break;
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default:
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break;
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}
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}
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} |