Parse XML

src/server/parser.c

@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include <string.h>
+#include <expat.h>
+#include <glib.h>
+
+#include "server/parser.h"
+
+static int depth = 0;
+static int do_reset = 0;
+GString *text = NULL;
+static XML_Parser parser;
+
+static void
+start_element(void *data, const char *element, const char **attribute)
+{
+    int i;
+
+    printf("LEVEL: %d\n", depth);
+    printf("ELEM: %s\n", element);
+
+    for (i = 0; attribute[i]; i += 2) {
+        printf(" ATTR: %s='%s'\n", attribute[i], attribute[i + 1]);
+    }
+
+    depth++;
+}
+
+static void
+end_element(void *data, const char *element)
+{
+//    int i;
+//    for (i = 0; i < depth; i++) {
+//        printf(" ");
+//    }
+
+//    if (last_content) {
+//        printf("%s Contents: \"%s\"\n", element, last_content);
+//    }
+//
+    if (text) {
+        printf(" TEXT: %s\n", text->str);
+        g_string_free(text, TRUE);
+        text = NULL;
+    }
+
+    depth--;
+    if (depth == 0) {
+        do_reset = 1;
+        printf("\n");
+    }
+}
+
+static void
+handle_data(void *data, const char *content, int length)
+{
+    if (!text) {
+        text = g_string_new("");
+    }
+
+    g_string_append_len(text, content, length);
+}
+
+void
+parser_init(void)
+{
+    parser = XML_ParserCreate(NULL);
+    XML_SetElementHandler(parser, start_element, end_element);
+    XML_SetCharacterDataHandler(parser, handle_data);
+}
+
+int
+parser_feed(char *chunk, int len)
+{
+    return XML_Parse(parser, chunk, len, 0);
+}
+
+void
+parser_close(void)
+{
+    XML_ParserFree(parser);
+}
+
+void
+parser_reset(void)
+{
+    if (do_reset == 1) {
+        parser_close();
+        parser_init();
+        do_reset = 0;
+    }
+}