*
* This parses an XML file into a convenient data structure.
*
+ * Example:
+ * #include <ccan/ttxml/ttxml.h>
+ * #include <stdio.h>
+ *
+ * int main(int argc, char *argv[])
+ * {
+ * XmlNode *xml, *tmp;
+ *
+ * xml = xml_load("./test/test.xml2");
+ * if(!xml)return 1;
+ *
+ * tmp = xml_find(xml, "childnode");
+ *
+ * printf("%s: %s\n", xml->name, xml_attr(tmp, "attribute"));
+ *
+ * xml_free(xml);
+ *
+ * return 0;
+ * }
+ *
* License: GPL
* Author: Daniel Burke <dan.p.burke@gmail.com>
*/
#include <ccan/ttxml/ttxml.h>
/* Include the C files directly. */
+
+#define BUFFER 40 /* use a stupidly small buffer to stomp out bugs */
+
#include <ccan/ttxml/ttxml.c>
#include <ccan/tap/tap.h>
return 1;
}
-static int test_find(void)
-{
- char *ctmp;
- XmlNode *xtmp, *xml = xml_load("./test/test.xml2");
- if(!xml)return 0;
-
- xp(xml, 0, 20);
-
-
- xtmp = xml_find(xml, "one");
- if(!xtmp)
- {
- printf("Failed to find node\n");
- return 0;
- }
- printf("node is...\n");
- xp(xtmp, 0, 20);
-
- ctmp = xml_attr(xtmp, "barfoo");
- if(!ctmp)
- {
- printf("Failed to find attribute\n");
- return 0;
- }
-
- return 1;
-}
-
int main(void)
{
XmlNode *x, *t;
/* This is how many tests you plan to run */
- plan_tests(13);
+ plan_tests(12);
- ok1(x = xml_load("./test/test.xml2"));
+ ok1(x = xml_load("./test/test.xml1"));
ok1(!xml_find(x, "Doesn't Exist"));
ok1(t = xml_find(x, "one"));
ok1(xml_find(t, "two"));
xml_free(x);
/* Simple thing we expect to succeed */
ok1(!test_load("does not exist")); /* A file that doesn't exist */
- ok1(test_load("./test/test.xml")); /* A very large xml file. */
- ok1(test_load("./test/test.xml2")); /* A basic xml file. */
- ok1(test_load("./test/test.xml3")); /* Very small well-formed xml file. */
- ok1(test_load("./test/test.xml4")); /* Smallest well-formed xml file. */
- ok1(test_load("./test/test.xml5")); /* A single unclosed tag. */
+ ok1(test_load("./test/test.xml1")); /* A basic xml file. */
+ ok1(test_load("./test/test.xml2")); /* Very small well-formed xml file. */
+ ok1(test_load("./test/test.xml3")); /* Smallest well-formed xml file. */
+ ok1(test_load("./test/test.xml4")); /* A single unclosed tag. */
/* Same, with an explicit description of the test. */
// ok(some_test(), "%s with no args should return 1", "some_test")
/* How to print out messages for debugging. */
-<xmlthisisaverylongtagnameIhopeitmesseswithyourstuff>\r
- foobar\r
- <one foobar barfoo="Hello \"World\"!" foo=bar>\r
- <two/>\r
- \r
- </one>\r
- <one></one>\r
- <one></one>\r
-</xml>\r
+<xml/><one barfoo3></one></xml>\r
-<xml/><one barfoo></one></xml>\r
+<xmltag/>\r
\r
#include "ttxml.h"\r
\r
-\r
+#ifndef BUFFER\r
#define BUFFER 3264\r
+#endif\r
+\r
\r
#define XML_LETTER 1\r
#define XML_NUMBER 2\r
\r
\r
/* Allocate a new XmlNode */\r
-XmlNode* xml_new(char * name)\r
+static XmlNode* xml_new(char * name)\r
{\r
XmlNode * ret = malloc(sizeof(XmlNode));\r
if(!ret)return NULL;\r
size = fread( xml->buf, 1, xml->len, xml->fptr);\r
if( size != xml->len )\r
{\r
- printf("Buffer reduction\n");\r
xml->len = size;\r
xml->buf[size]=0;\r
xml->eof = 1;\r
xml.read_index = 0;\r
xml.fptr = fopen(filename, "rb");\r
if(!xml.fptr)\r
- {\r
- printf("Opening file failed\n");\r
return NULL;\r
- }\r
\r
xml.buf = malloc(BUFFER+1);\r
xml.buf[BUFFER]=0;\r
}\r
\r
\r
-#ifdef TEST\r
-/* print out the heirarchy of an XML file, useful for debugging */\r
-void xp(XmlNode *x, int level, int max)\r
-{\r
- int i;\r
- char text[] = "text";\r
- char *name = text;\r
- if(level > max)return;\r
- if(!x)return;\r
- if(x->name)name = x->name;\r
- for(i=0; i<level; i++)printf(" ");\r
- printf("%s:", name);\r
- if(x->name)\r
- for(i=0; i<x->nattrib; i++)\r
- printf("%s=\"%s\",", x->attrib[i*2], x->attrib[i*2+1]);\r
- else printf("%s", x->attrib[0]);\r
- printf("\n");\r
- if(x->child)xp(x->child, level+1, max);\r
- if(x->next)xp(x->next, level, max);\r
-}\r
-\r
-\r
-int main(int argc, char *argv[])\r
-{\r
- XmlNode *x, *tmp;\r
- \r
- if(!argv[1])\r
- {\r
- printf("USAGE: %s name\n\t reads name where name is an XML file.\n",\r
- argv[0]);\r
- return 1;\r
- }\r
-\r
-#ifdef PROFILE\r
- for(int i=0; i<1000; i++)\r
- {\r
-#endif\r
- x = xml_load(argv[1]);\r
-\r
- if(!x)\r
- {\r
- printf("Failed to load.\n");\r
- return 2;\r
- }\r
-#ifndef PROFILE\r
- xp(x, 1, 20);\r
-#endif\r
- xml_free(x);\r
-#ifdef PROFILE\r
- }\r
-#endif\r
-\r
- return 0;\r
-}\r
-#endif\r
-\r
+#ifndef CCAN_TTXML_H
+#define CCAN_TTXML_H
+/**
+ * ttxml - tiny XML library for parsing (trusted!) XML documents.
+ *
+ * This parses an XML file into a convenient data structure.
+ *
+ * Example:
+ * #include <ccan/ttxml/ttxml.h>
+ * #include <stdio.h>
+ *
+ * int main(int argc, char *argv[])
+ * {
+ * XmlNode *xml, *tmp;
+ *
+ * xml = xml_load("./test/test.xml2");
+ * if(!xml)return 1;
+ *
+ * tmp = xml_find(xml, "childnode");
+ *
+ * printf("%s: %s\n", xml->name, xml_attr(tmp, "attribute"));
+ *
+ * xml_free(xml);
+ *
+ * return 0;
+ * }
+ *
+ * License: GPL
+ * Author: Daniel Burke <dan.p.burke@gmail.com>
+ */
+
+/* Every node is one of these */
typedef struct XmlNode {
char * name;
char ** attrib;
struct XmlNode * next;
} XmlNode;
+/* It's all pretty straight forward except for the attrib.
+ *
+ * Attrib is an array of char*, that is 2x the size of nattrib.
+ * Each pair of char* points to the attribute name & the attribute value,
+ * if present.
+ *
+ * If it's a text node, then name = "text", and attrib[1] = the body of text.
+ * This is the only case where there will be an attribute with a null name.
+ */
-XmlNode* xml_new(char * name);
XmlNode* xml_load(const char * filename);
void xml_free(XmlNode *target);
char* xml_attr(XmlNode *x, const char *name);
XmlNode * xml_find(XmlNode *xml, const char *name);
+#endif /* CCAN_TTXML_H */
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