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Use stdio when printing enhanced values instead of allocating first

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This commit is contained in:
Jonas Fonseca 2005-12-28 23:02:45 +01:00 committed by Jonas Fonseca
parent 92767165cc
commit 4feba6d515
1 changed files with 27 additions and 40 deletions
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67
src/dom/test/sgml-parser.c
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@ -15,59 +15,54 @@
#include "dom/stack.h"
/* Compress a string to a single line with newlines etc. replaced with "\\n"
* sequence. */
static inline unsigned char *
compress_string(unsigned char *string, unsigned int length)
/* Print the string in a compressed form: a single line with newlines etc.
* replaced with "\\n" sequence. */
static void
print_compressed_string(struct dom_string *string)
{
struct string buffer;
unsigned char escape[2] = "\\";
size_t pos;
if (!init_string(&buffer)) return NULL;
for (pos = 0; pos < string->length; pos++) {
unsigned char data = string->string[pos];
for (; length > 0; string++, length--) {
unsigned char *bytes = string;
if (*string == '\n' || *string == '\r' || *string == '\t') {
bytes = escape;
escape[1] = *string == '\n' ? 'n'
: (*string == '\r' ? 'r' : 't');
switch (data) {
case '\n': escape[1] = 'n'; break;
case '\r': escape[1] = 'r'; break;
case '\t': escape[1] = 't'; break;
default:
putchar(data);
continue;
}
add_bytes_to_string(&buffer, bytes, bytes == escape ? 2 : 1);
printf("%s", escape);
}
return buffer.source;
}
/* Set @string to the value of the given @node, however, with strings
* compressed and entity references 'expanded'. */
static void
set_enhanced_dom_node_value(struct dom_string *string, struct dom_node *node)
print_dom_node_value(struct dom_node *node)
{
struct dom_string *value;
assert(node);
memset(string, 0, sizeof(*string));
switch (node->type) {
case DOM_NODE_ENTITY_REFERENCE:
/* FIXME: Set to the entity value. */
string->string = null_or_stracpy(string->string);
printf("%.*s", node->string.length, node->string.string);
break;
default:
value = get_dom_node_value(node);
if (!value) {
set_dom_string(string, NULL, 0);
printf("(no value)");
return;
}
string->string = compress_string(value->string, value->length);
print_compressed_string(value);
}
string->length = string->string ? strlen(string->string) : 0;
}
static unsigned char indent_string[] =
@ -91,7 +86,6 @@ sgml_parser_test_tree(struct dom_stack *stack, struct dom_node *node, void *data
static void
sgml_parser_test_id_leaf(struct dom_stack *stack, struct dom_node *node, void *data)
{
struct dom_string value;
struct dom_string *name;
struct dom_string *id;
@ -99,35 +93,28 @@ sgml_parser_test_id_leaf(struct dom_stack *stack, struct dom_node *node, void *d
name = get_dom_node_name(node);
id = get_dom_node_type_name(node->type);
set_enhanced_dom_node_value(&value, node);
printf("%.*s %.*s: %.*s -> %.*s\n",
printf("%.*s %.*s: %.*s -> ",
get_indent_offset(stack), indent_string,
id->length, id->string, name->length, name->string,
value.length, value.string);
if (is_dom_string_set(&value))
done_dom_string(&value);
id->length, id->string, name->length, name->string);
print_dom_node_value(node);
printf("\n");
}
static void
sgml_parser_test_leaf(struct dom_stack *stack, struct dom_node *node, void *data)
{
struct dom_string *name;
struct dom_string value;
assert(node);
name = get_dom_node_name(node);
set_enhanced_dom_node_value(&value, node);
printf("%.*s %.*s: %.*s\n",
printf("%.*s %.*s: ",
get_indent_offset(stack), indent_string,
name->length, name->string,
value.length, value.string);
if (is_dom_string_set(&value))
done_dom_string(&value);
name->length, name->string);
print_dom_node_value(node);
printf("\n");
}
static void