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[pspp] / parse-xml.c

diff --git a/parse-xml.c b/parse-xml.c
index c0445052ed017f6ea80111568dc581884c69d4e1..9faa946f45a7ac64574312b8505d139d4e07f2ee 100644 (file)
--- a/parse-xml.c
+++ b/parse-xml.c
@@ -1,33 +1,170 @@
 #include <stdio.h>
+#include <string.h>
 #include <libxml/parser.h>
 #include <libxml/tree.h>
 
 static void
-print_containment (xmlNode * a_node)
+print_containment (xmlNode *node)
 {
-  for (xmlNode *node = a_node; node; node = node->next)
+  for (; node; node = node->next)
     {
       if (node->type == XML_ELEMENT_NODE)
         {
-          const xmlNode *parent = node->parent;
-          if (parent->type == XML_ELEMENT_NODE)
-            printf ("%s %s\n", parent->name, node->name);
-          else if (parent->type == XML_DOCUMENT_NODE)
-            printf ("<root> %s\n", node->name);
+          printf ("%s", node->name);
+          for (xmlNode *child = node->children; child; child = child->next)
+            {
+              putchar (' ');
+              if (child->type == XML_ELEMENT_NODE)
+                {
+                  printf ("%s", child->name);
+
+                  int n = 0;
+                  while (child->next
+                         && child->next->type == XML_ELEMENT_NODE
+                         && !strcmp((char *) child->name, (char *) child->next->name))
+                    {
+                      child = child->next;
+                      n++;
+                    }
+                  if (n > 0)
+                    putchar ('+');
+                }
+              else if (child->type == XML_TEXT_NODE)
+                printf ("<text>");
+              else if (child->type == XML_CDATA_SECTION_NODE)
+                printf ("<cdata>");
+              else
+                printf ("<%d>", child->type);
+            }
+          putchar ('\n');
         }
 
       print_containment (node->children);
     }
 }
 
-int
-main (int argc, char **argv)
+static void
+print_labels (xmlNode *node)
 {
-  if (argc != 2)
+  for (; node; node = node->next)
     {
-      fprintf (stderr, "usage: %s FILE.xml\n", argv[0]);
-      exit (1);
+      if (node->type == XML_ELEMENT_NODE
+          && !strcmp((char *) node->name, "label")
+          && node->parent->type == XML_ELEMENT_NODE
+          && !strcmp((char *) node->parent->name, "container"))
+        {
+          for (xmlNode *child = node->children; child; child = child->next)
+            if (child->type == XML_TEXT_NODE)
+              puts ((char *) child->content);
+        }
+
+      print_labels (node->children);
     }
+}
+
+static void
+print_attributes (xmlNode * a_node)
+{
+  for (xmlNode *node = a_node; node; node = node->next)
+    {
+      if (node->type == XML_ELEMENT_NODE)
+        {
+          printf ("%s", node->name);
+          for (xmlAttr *attr = node->properties; attr; attr = attr->next)
+            printf (" %s", attr->name);
+          putchar ('\n');
+        }
+
+      print_attributes (node->children);
+    }
+}
+
+static void
+print_string(xmlChar *s)
+{
+  for (char *p = (char *) s; *p; p++)
+    if (*p == '\n')
+      printf ("\\n");
+    else
+      putchar (*p);
+}
+
+static void
+print_cdata (xmlNode * a_node)
+{
+  for (xmlNode *node = a_node; node; node = node->next)
+    {
+      if (node->type == XML_CDATA_SECTION_NODE)
+        {
+          print_string (node->content);
+          putchar ('\n');
+        }
+
+      print_cdata (node->children);
+    }
+}
+
+static void
+print_attribute (xmlNode *node, const char *attr)
+{
+  for (; node; node = node->next)
+    {
+      const char *s = (char *) xmlGetProp (node, (xmlChar *) attr);
+      if (s)
+        printf ("%s %s=%s\n", node->name, attr, s);
+
+      print_attribute (node->children, attr);
+    }
+}
+
+static __attribute__((unused)) xmlNode *
+find_page_setup (xmlNode *node)
+{
+  for (; node; node = node->next)
+    {
+      if (node->name && !strcmp ((char *) node->name, "pageSetup"))
+        return node;
+
+      xmlNode *ps = find_page_setup (node->children);
+      if (ps)
+        return ps;
+    }
+  return NULL;
+}
+
+static void
+print_text (xmlNode *node)
+{
+  for (; node; node = node->next)
+    {
+      if (node->type == XML_ELEMENT_NODE)
+        {
+          printf ("%s", node->name);
+          for (xmlNode *child = node->children; child; child = child->next)
+            if (child->type == XML_TEXT_NODE)
+              {
+                putchar (' ');
+                print_string (child->content);
+              }
+          putchar ('\n');
+        }
+
+      print_text (node->children);
+    }
+}
+
+static void
+usage (void)
+{
+  fprintf (stderr, "usage: parse-xml FILE.xml containment|attributes\n");
+  exit (1);
+}
+
+int
+main (int argc, char **argv)
+{
+  if (argc != 3)
+    usage ();
 
   LIBXML_TEST_VERSION;
 
@@ -39,7 +176,30 @@ main (int argc, char **argv)
     }
 
   xmlNode *root = xmlDocGetRootElement(doc);
-  print_containment(root);
+
+#if 0
+  /* Limit what we look at to pageSetup node and below. */
+  root = find_page_setup(root);
+  if (!root)
+    return 0;
+  root->next = NULL;
+#endif
+
+  if (!strcmp(argv[2], "containment"))
+    print_containment (root);
+  else if (!strcmp(argv[2], "attributes"))
+    print_attributes (root);
+  else if (!strcmp(argv[2], "cdata"))
+    print_cdata (root);
+  else if (!strcmp(argv[2], "text"))
+    print_text (root);
+  else if (!strncmp(argv[2], "attr:", 5))
+    print_attribute (root, argv[2] + 5);
+  else if (!strcmp(argv[2], "labels"))
+    print_labels (root);
+  else
+    usage ();
+
   xmlFreeDoc(doc);
   xmlCleanupParser();