blob: f6d9042b0bc12f24f2be0d5deb0b3fbd06221ee4 [file] [log] [blame]
/**
* @file op_xml_out.c
* C utility routines for writing XML
*
* @remark Copyright 2008 OProfile authors
* @remark Read the file COPYING
*
* @author Dave Nomura
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "op_xml_out.h"
char const * xml_tag_map[] = {
"NONE",
"id",
"profile",
"processor",
"cputype",
"title",
"schemaversion",
"mhz",
"setup",
"timersetup",
"rtcinterrupts",
"eventsetup",
"eventname",
"unitmask",
"setupcount",
"separatedcpus",
"options",
"session", "debuginfo", "details", "excludedependent",
"excludesymbols", "imagepath", "includesymbols", "merge",
"classes",
"class",
"cpu",
"event",
"mask",
"process",
"pid",
"thread",
"tid",
"binary",
"module",
"name",
"callers",
"callees",
"symbol",
"idref",
"self",
"detaillo",
"detailhi",
"symboltable",
"symboldata",
"startingaddr",
"file",
"line",
"codelength",
"summarydata",
"sampledata",
"count",
"detailtable",
"symboldetails",
"detaildata",
"vmaoffset",
"bytestable",
"bytes",
"help_events",
"header",
"title",
"doc",
"event",
"event_name",
"group",
"desc",
"counter_mask",
"min_count",
"ext",
"unit_masks",
"default",
"category",
"unit_mask",
"mask",
"desc"
};
#define MAX_BUF_LEN 2048
char const * xml_tag_name(tag_t tag)
{
return xml_tag_map[tag];
}
void open_xml_element(tag_t tag, int with_attrs, char *buffer, size_t max)
{
char *buf;
int size, ret;
buffer[max - 1] = '\0';
size = strlen(buffer);
buf = &buffer[size];
size = max - 1 - size;
ret = snprintf(buf, size, "<%s%s", xml_tag_name(tag),
(with_attrs ? " " : ">\n"));
if (ret < 0 || ret >= size) {
fprintf(stderr,"open_xml_element: snprintf failed\n");
exit(EXIT_FAILURE);
}
}
void close_xml_element(tag_t tag, int has_nested, char *buffer, size_t max)
{
char *buf;
int size, ret;
buffer[max - 1] = '\0';
size = strlen(buffer);
buf = &buffer[size];
size = max - 1 - size;
if (tag == NONE)
ret = snprintf(buf, size, "%s\n", (has_nested ? ">" : "/>"));
else
ret = snprintf(buf, size, "</%s>\n", xml_tag_name(tag));
if (ret < 0 || ret >= size) {
fprintf(stderr, "close_xml_element: snprintf failed\n");
exit(EXIT_FAILURE);
}
}
void init_xml_int_attr(tag_t attr, int value, char *buffer, size_t max)
{
char *buf;
int size, ret;
buffer[max - 1] = '\0';
size = strlen(buffer);
buf = &buffer[size];
size = max - 1 - size;
ret = snprintf(buf, size, " %s=\"%d\"", xml_tag_name(attr), value);
if (ret < 0 || ret >= size) {
fprintf(stderr,"init_xml_int_attr: snprintf failed\n");
exit(EXIT_FAILURE);
}
}
void init_xml_dbl_attr(tag_t attr, double value, char *buffer, size_t max)
{
char *buf;
int size, ret;
buffer[max - 1] = '\0';
size = strlen(buffer);
buf = &buffer[size];
size = max - 1 - size;
ret = snprintf(buf, size, " %s=\"%.2f\"", xml_tag_name(attr), value);
if (ret < 0 || ret >= size) {
fprintf(stderr, "init_xml_dbl_attr: snprintf failed\n");
exit(EXIT_FAILURE);
}
}
static void xml_quote(char const *str, char *buffer, size_t max)
{
char *buf;
char *quote;
char *pos = (char*)str;
size_t size;
int ret;
buffer[max - 1] = '\0';
size = strlen(buffer);
buf = &buffer[size];
size = max - 1 - size;
if (size < strlen(pos) + 2)
goto Error;
*buf = '"';
buf++;
size--;
while (*pos) {
switch(*pos) {
case '&':
quote = "&amp;";
break;
case '<':
quote = "&lt;";
break;
case '>':
quote = "&gt;";
break;
case '"':
quote = "&quot;";
break;
default:
*buf = *pos;
pos++;
buf++;
size--;
continue;
}
pos++;
ret = snprintf(buf, size, "%s", quote);
if (ret < 0 || ret >= (int)size)
goto Error;
buf += ret;
size -= ret;
if (size < strlen(pos))
goto Error;
}
if (!size)
goto Error;
*buf = '"';
buf++;
*buf = '\0';
return;
Error:
fprintf(stderr,"quote_str: buffer overflow\n");
exit(EXIT_FAILURE);
}
void init_xml_str_attr(tag_t attr, char const *str, char *buffer, size_t max)
{
char *buf;
int size, ret;
buffer[max - 1] = '\0';
size = strlen(buffer);
buf = &buffer[size];
size = max - 1 - size;
ret = snprintf(buf, size, " %s=", xml_tag_name(attr));
if (ret < 0 || ret >= size)
goto Error;
buf += ret;
size -= ret;
if (!size)
goto Error;
xml_quote(str, buf, size);
return;
Error:
fprintf(stderr,"init_xml_str_attr: snprintf failed\n");
exit(EXIT_FAILURE);
}