Turn the XML into something almost parseable.

[ext/subsurface.git] / parse.c

diff --git a/parse.c b/parse.c
index 6277a9021aeb93da8ed9eb43d2d22aafbbb46397..ffb01d2ea2604e72e0c268173090214ff8eea86a 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -1,23 +1,77 @@
 #include <stdio.h>
+#include <ctype.h>
+#include <string.h>
 #include <libxml/parser.h>
 #include <libxml/tree.h>
 
-static void show_one_node(int i, xmlNode *node)
+static const char *nodename(xmlNode *node, char *buf, int len)
 {
-       static const char indent[] = "        ..";
+       /* Don't print out the node name if it is "text" */
+       if (!strcmp(node->name, "text")) {
+               node = node->parent;
+               if (!node || !node->name)
+                       return "root";
+       }
+
+       buf += len;
+       *--buf = 0;
+       len--;
+
+       for(;;) {
+               const char *name = node->name;
+               int i = strlen(name);
+               while (--i >= 0) {
+                       unsigned char c = name[i];
+                       *--buf = tolower(c);
+                       if (!--len)
+                               return buf;
+               }
+               node = node->parent;
+               if (!node || !node->name)
+                       return buf;
+               *--buf = '.';
+               if (!--len)
+                       return buf;
+       }
+}
+
+#define MAXNAME 64
+
+static void show_one_node(xmlNode *node)
+{
+       int len;
+       const unsigned char *content;
+       char buffer[MAXNAME];
+       const char *name;
+
+       content = node->content;
+       if (!content)
+               return;
+
+       /* Trim whitespace at beginning */
+       while (isspace(*content))
+               content++;
+
+       /* Trim whitespace at end */
+       len = strlen(content);
+       while (len && isspace(content[len-1]))
+               len--;
+
+       if (!len)
+               return;
+
+       name = nodename(node, buffer, sizeof(buffer));
 
-       if (i >= sizeof(indent))
-               i = sizeof(indent)-1;
-       printf("%.*snode '%s': %s\n", i, indent, node->name, node->content);
+       printf("%s: %.*s\n", name, len, content);
 }
 
-static void show(int indent, xmlNode *node)
+static void show(xmlNode *node)
 {
        xmlNode *n;
 
        for (n = node; n; n = n->next) {
-               show_one_node(indent, n);
-               show(indent+2, n->children);
+               show_one_node(n);
+               show(n->children);
        }
 }
 
@@ -31,7 +85,7 @@ static void parse(const char *filename)
                return;
        }
 
-       show(0, xmlDocGetRootElement(doc));
+       show(xmlDocGetRootElement(doc));
        xmlFreeDoc(doc);
        xmlCleanupParser();
 }