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Move the parser closer to being usable

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Ok, so we have the dive split and the sample splits, so now we could
really just start filling in data.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-08-29 21:32:27 -07:00
parent 77ce61644b
commit a71e8dd777
1 changed files with 59 additions and 6 deletions
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65
parse.c
View file

@ -4,6 +4,35 @@
#include <libxml/parser.h>
#include <libxml/tree.h>
/*
* File boundaries are dive boundaries. But sometimes there are
* multiple dives per file, so there can be other events too that
* trigger a "new dive" marker and you may get some nesting due
* to that. Just ignore nesting levels.
*/
static void dive_start(void)
{
printf("---\n");
}
static void dive_end(void)
{
}
static void sample_start(void)
{
printf("Sample:\n");
}
static void sample_end(void)
{
}
static void entry(const char *name, int size, const char *buffer)
{
printf("%s: %.*s\n", name, size, buffer);
}
static const char *nodename(xmlNode *node, char *buf, int len)
{
/* Don't print out the node name if it is "text" */
@ -37,7 +66,7 @@ static const char *nodename(xmlNode *node, char *buf, int len)
#define MAXNAME 64
static void show_one_node(xmlNode *node)
static void visit_one_node(xmlNode *node)
{
int len;
const unsigned char *content;
@ -62,16 +91,38 @@ static void show_one_node(xmlNode *node)
name = nodename(node, buffer, sizeof(buffer));
printf("%s: %.*s\n", name, len, content);
entry(name, len, content);
}
static void show(xmlNode *node)
static void traverse(xmlNode *node)
{
xmlNode *n;
for (n = node; n; n = n->next) {
show_one_node(n);
show(n->children);
/* XML from libdivecomputer: 'dive' per new dive */
if (!strcmp(n->name, "dive")) {
dive_start();
traverse(n->children);
dive_end();
continue;
}
/*
* At least both libdivecomputer and Suunto
* agree on "sample".
*
* Well - almost. Ignore case.
*/
if (!strcasecmp(n->name, "sample")) {
sample_start();
traverse(n->children);
sample_end();
continue;
}
/* Anything else - just visit it and recurse */
visit_one_node(n);
traverse(n->children);
}
}
@ -85,7 +136,9 @@ static void parse(const char *filename)
return;
}
show(xmlDocGetRootElement(doc));
dive_start();
traverse(xmlDocGetRootElement(doc));
dive_end();
xmlFreeDoc(doc);
xmlCleanupParser();
}