I hate my life

tools/utils/xml.c

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