#include <errno.h>
#include "glib.h"
-#include "galias.h"
-
#include "glibintl.h"
+#include "galias.h"
GQuark
g_markup_error_quark (void)
s = g_strdup_vprintf (format, args);
va_end (args);
- tmp_error = g_error_new (G_MARKUP_ERROR,
- code,
- _("Error on line %d char %d: %s"),
- context->line_number,
- context->char_number,
- s);
-
+ tmp_error = g_error_new_literal (G_MARKUP_ERROR, code, s);
g_free (s);
+ g_prefix_error (&tmp_error,
+ _("Error on line %d char %d: "),
+ context->line_number,
+ context->char_number);
+
mark_error (context, tmp_error);
g_propagate_error (error, tmp_error);
}
+static void
+propagate_error (GMarkupParseContext *context,
+ GError **dest,
+ GError *src)
+{
+ if (context->flags & G_MARKUP_PREFIX_ERROR_POSITION)
+ g_prefix_error (&src,
+ _("Error on line %d char %d: "),
+ context->line_number,
+ context->char_number);
+
+ mark_error (context, src);
+
+ g_propagate_error (dest, src);
+}
/* To make these faster, we first use the ascii-only tests, then check
* for the usual non-alnum name-end chars, and only then call the
set_error (context,
error,
G_MARKUP_ERROR_BAD_UTF8,
- _("Invalid UTF-8 encoded text"));
+ _("Invalid UTF-8 encoded text - overlong sequence"));
}
goto finished;
set_error (context,
error,
G_MARKUP_ERROR_BAD_UTF8,
- _("Invalid UTF-8 encoded text"));
+ _("Invalid UTF-8 encoded text - not a start char"));
goto finished;
}
&first_invalid))
{
gint newlines = 0;
- const gchar *p;
- p = context->current_text;
- while (p != context->current_text_end)
+ const gchar *p, *q;
+ q = p = context->current_text;
+ while (p != first_invalid)
{
if (*p == '\n')
- ++newlines;
+ {
+ ++newlines;
+ q = p + 1;
+ context->char_number = 1;
+ }
++p;
}
context->line_number += newlines;
+ context->char_number += g_utf8_strlen (q, first_invalid - q);
set_error (context,
error,
G_MARKUP_ERROR_BAD_UTF8,
- _("Invalid UTF-8 encoded text"));
+ _("Invalid UTF-8 encoded text - not valid '%s'"),
+ g_strndup (context->current_text,
+ context->current_text_len));
goto finished;
}
context->attr_values[0] == NULL);
if (tmp_error != NULL)
- {
- mark_error (context, tmp_error);
- g_propagate_error (error, tmp_error);
- }
+ propagate_error (context, error, tmp_error);
}
}
break;
context->start = context->iter;
}
else
- {
- mark_error (context, tmp_error);
- g_propagate_error (error, tmp_error);
- }
+ propagate_error (context, error, tmp_error);
}
truncate_partial (context);
context->tag_stack);
if (tmp_error)
- {
- mark_error (context, tmp_error);
- g_propagate_error (error, tmp_error);
- }
+ propagate_error (context, error, tmp_error);
}
g_free (close_name);
if (*context->iter == '<')
context->balance++;
if (*context->iter == '>')
- {
+ {
+ gchar *str;
+ gsize len;
+
context->balance--;
add_to_partial (context, context->start, context->iter);
context->start = context->iter;
- if ((g_str_has_prefix (context->partial_chunk->str, "<?")
- && g_str_has_suffix (context->partial_chunk->str, "?")) ||
- (g_str_has_prefix (context->partial_chunk->str, "<!--")
- && g_str_has_suffix (context->partial_chunk->str, "--")) ||
- (g_str_has_prefix (context->partial_chunk->str, "<![CDATA[")
- && g_str_has_suffix (context->partial_chunk->str, "]]")) ||
- (g_str_has_prefix (context->partial_chunk->str, "<!DOCTYPE")
- && context->balance == 0))
+
+ str = context->partial_chunk->str;
+ len = context->partial_chunk->len;
+
+ if (str[1] == '?' && str[len - 1] == '?')
+ break;
+ if (strncmp (str, "<!--", 4) == 0 &&
+ strcmp (str + len - 2, "--") == 0)
+ break;
+ if (strncmp (str, "<![CDATA[", 9) == 0 &&
+ strcmp (str + len - 2, "]]") == 0)
+ break;
+ if (strncmp (str, "<!DOCTYPE", 9) == 0 &&
+ context->balance == 0)
break;
}
}
add_to_partial (context, context->start, context->iter);
if (context->flags & G_MARKUP_TREAT_CDATA_AS_TEXT &&
- g_str_has_prefix (context->partial_chunk->str, "<![CDATA[") &&
- g_str_has_suffix (context->partial_chunk->str, "]]>"))
+ strncmp (context->partial_chunk->str, "<![CDATA[", 9) == 0)
{
if (context->parser->text)
(*context->parser->text) (context,
- context->partial_chunk->str + strlen ("<![CDATA["),
- context->partial_chunk->len - strlen ("<![CDATA[" "]]>"),
+ context->partial_chunk->str + 9,
+ context->partial_chunk->len - 12,
context->user_data,
&tmp_error);
}
context->start = context->iter; /* could begin text */
}
else
- {
- mark_error (context, tmp_error);
- g_propagate_error (error, tmp_error);
- }
+ propagate_error (context, error, tmp_error);
}
break;
break;
case STATE_INSIDE_ATTRIBUTE_NAME:
+ case STATE_AFTER_ATTRIBUTE_NAME:
set_error (context, error, G_MARKUP_ERROR_PARSE,
_("Document ended unexpectedly inside an attribute name"));
break;
case STATE_AFTER_CLOSE_TAG_SLASH:
case STATE_INSIDE_CLOSE_TAG_NAME:
+ case STATE_AFTER_CLOSE_TAG_NAME:
set_error (context, error, G_MARKUP_ERROR_PARSE,
_("Document ended unexpectedly inside the close tag for "
"element '%s'"), current_element (context));
*
* Retrieves the name of the currently open element.
*
+ * If called from the start_element or end_element handlers this will
+ * give the element_name as passed to those functions. For the parent
+ * elements, see g_markup_parse_context_get_element_stack().
+ *
* Since: 2.2
**/
G_CONST_RETURN gchar *
}
/**
+ * g_markup_parse_context_get_element_stack:
+ * @context: a #GMarkupParseContext
+ *
+ * Retrieves the element stack from the internal state of the parser.
+ * The returned #GSList is a list of strings where the first item is
+ * the currently open tag (as would be returned by
+ * g_markup_parse_context_get_element()) and the next item is its
+ * immediate parent.
+ *
+ * This function is intended to be used in the start_element and
+ * end_element handlers where g_markup_parse_context_get_element()
+ * would merely return the name of the element that is being
+ * processed.
+ *
+ * Returns: the element stack, which must not be modified
+ *
+ * Since 2.16
+ **/
+G_CONST_RETURN GSList *
+g_markup_parse_context_get_element_stack (GMarkupParseContext *context)
+{
+ g_return_val_if_fail (context != NULL, NULL);
+
+ return context->tag_stack;
+}
+
+/**
* g_markup_parse_context_get_position:
* @context: a #GMarkupParseContext
* @line_number: return location for a line number, or %NULL
{
const gchar *p;
const gchar *end;
+ gunichar c;
p = text;
end = text + length;
break;
default:
- g_string_append_len (str, p, next - p);
+ c = g_utf8_get_char (p);
+ if ((0x1 <= c && c <= 0x8) ||
+ (0xb <= c && c <= 0xc) ||
+ (0xe <= c && c <= 0x1f) ||
+ (0x7f <= c && c <= 0x84) ||
+ (0x86 <= c && c <= 0x9f))
+ g_string_append_printf (str, "&#x%x;", c);
+ else
+ g_string_append_len (str, p, next - p);
break;
}
G_VA_COPY (args2, args);
output1 = g_strdup_vprintf (format1->str, args);
- va_end (args);
if (!output1)
- goto cleanup;
+ {
+ va_end (args2);
+ goto cleanup;
+ }
output2 = g_strdup_vprintf (format2->str, args2);
va_end (args2);
* output, without having to worry that the strings
* might themselves contain markup.
*
- * <informalexample><programlisting>
+ * |[
* const char *store = "Fortnum & Mason";
* const char *item = "Tea";
* char *output;
* "<item>%s</item>"
* "</purchase>",
* store, item);
- * </programlisting></informalexample>
+ * ]|
*
* Return value: newly allocated result from formatting
* operation. Free with g_free().
return result;
}
+static gboolean
+g_markup_parse_boolean (const char *string,
+ gboolean *value)
+{
+ char const * const falses[] = { "false", "f", "no", "n", "0" };
+ char const * const trues[] = { "true", "t", "yes", "y", "1" };
+ int i;
+
+ for (i = 0; i < G_N_ELEMENTS (falses); i++)
+ {
+ if (g_ascii_strcasecmp (string, falses[i]) == 0)
+ {
+ if (value != NULL)
+ *value = FALSE;
+
+ return TRUE;
+ }
+ }
+
+ for (i = 0; i < G_N_ELEMENTS (trues); i++)
+ {
+ if (g_ascii_strcasecmp (string, trues[i]) == 0)
+ {
+ if (value != NULL)
+ *value = TRUE;
+
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ * GMarkupCollectType:
+ * @G_MARKUP_COLLECT_INVALID: used to terminate the list of attributes
+ * to collect.
+ * @G_MARKUP_COLLECT_STRING: collect the string pointer directly from
+ * the attribute_values[] array. Expects a
+ * parameter of type (const char **). If
+ * %G_MARKUP_COLLECT_OPTIONAL is specified
+ * and the attribute isn't present then the
+ * pointer will be set to %NULL.
+ * @G_MARKUP_COLLECT_STRDUP: as with %G_MARKUP_COLLECT_STRING, but
+ * expects a paramter of type (char **) and
+ * g_strdup()s the returned pointer. The
+ * pointer must be freed with g_free().
+ * @G_MARKUP_COLLECT_BOOLEAN: expects a parameter of type (gboolean *)
+ * and parses the attribute value as a
+ * boolean. Sets %FALSE if the attribute
+ * isn't present. Valid boolean values
+ * consist of (case insensitive) "false",
+ * "f", "no", "n", "0" and "true", "t",
+ * "yes", "y", "1".
+ * @G_MARKUP_COLLECT_TRISTATE: as with %G_MARKUP_COLLECT_BOOLEAN, but
+ * in the case of a missing attribute a
+ * value is set that compares equal to
+ * neither %FALSE nor %TRUE.
+ * G_MARKUP_COLLECT_OPTIONAL is implied.
+ * @G_MARKUP_COLLECT_OPTIONAL: can be bitwise ORed with the other
+ * fields. If present, allows the
+ * attribute not to appear. A default
+ * value is set depending on what value
+ * type is used.
+ *
+ * A mixed enumerated type and flags field. You must specify one type
+ * (string, strdup, boolean, tristate). Additionally, you may
+ * optionally bitwise OR the type with the flag
+ * %G_MARKUP_COLLECT_OPTIONAL.
+ *
+ * It is likely that this enum will be extended in the future to
+ * support other types.
+ **/
+
+/**
+ * g_markup_collect_attributes:
+ * @element_name: the current tag name
+ * @attribute_names: the attribute names
+ * @attribute_values: the attribute values
+ * @error: a pointer to a #GError or %NULL
+ * @first_type: the #GMarkupCollectType of the
+ * first attribute
+ * @first_attr: the name of the first attribute
+ * @...: a pointer to the storage location of the
+ * first attribute (or %NULL), followed by
+ * more types names and pointers, ending
+ * with %G_MARKUP_COLLECT_INVALID.
+ *
+ * Collects the attributes of the element from the
+ * data passed to the #GMarkupParser start_element
+ * function, dealing with common error conditions
+ * and supporting boolean values.
+ *
+ * This utility function is not required to write
+ * a parser but can save a lot of typing.
+ *
+ * The @element_name, @attribute_names,
+ * @attribute_values and @error parameters passed
+ * to the start_element callback should be passed
+ * unmodified to this function.
+ *
+ * Following these arguments is a list of
+ * "supported" attributes to collect. It is an
+ * error to specify multiple attributes with the
+ * same name. If any attribute not in the list
+ * appears in the @attribute_names array then an
+ * unknown attribute error will result.
+ *
+ * The #GMarkupCollectType field allows specifying
+ * the type of collection to perform and if a
+ * given attribute must appear or is optional.
+ *
+ * The attribute name is simply the name of the
+ * attribute to collect.
+ *
+ * The pointer should be of the appropriate type
+ * (see the descriptions under
+ * #GMarkupCollectType) and may be %NULL in case a
+ * particular attribute is to be allowed but
+ * ignored.
+ *
+ * This function deals with issuing errors for missing attributes
+ * (of type %G_MARKUP_ERROR_MISSING_ATTRIBUTE), unknown attributes
+ * (of type %G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE) and duplicate
+ * attributes (of type %G_MARKUP_ERROR_INVALID_CONTENT) as well
+ * as parse errors for boolean-valued attributes (again of type
+ * %G_MARKUP_ERROR_INVALID_CONTENT). In all of these cases %FALSE
+ * will be returned and @error will be set as appropriate.
+ *
+ * Return value: %TRUE if successful
+ *
+ * Since: 2.16
+ **/
+gboolean
+g_markup_collect_attributes (const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ GError **error,
+ GMarkupCollectType first_type,
+ const gchar *first_attr,
+ ...)
+{
+ GMarkupCollectType type;
+ const gchar *attr;
+ guint64 collected;
+ int written;
+ va_list ap;
+ int i;
+
+ type = first_type;
+ attr = first_attr;
+ collected = 0;
+ written = 0;
+
+ va_start (ap, first_attr);
+ while (type != G_MARKUP_COLLECT_INVALID)
+ {
+ gboolean mandatory;
+ const gchar *value;
+
+ mandatory = !(type & G_MARKUP_COLLECT_OPTIONAL);
+ type &= (G_MARKUP_COLLECT_OPTIONAL - 1);
+
+ /* tristate records a value != TRUE and != FALSE
+ * for the case where the attribute is missing
+ */
+ if (type == G_MARKUP_COLLECT_TRISTATE)
+ mandatory = FALSE;
+
+ for (i = 0; attribute_names[i]; i++)
+ if (i >= 40 || !(collected & (1ull << i)))
+ if (!strcmp (attribute_names[i], attr))
+ break;
+
+ /* ISO C99 only promises that the user can pass up to 127 arguments.
+ * Subtracting the first 4 arguments plus the final NULL and dividing
+ * by 3 arguments per collected attribute, we are left with a maximum
+ * number of supported attributes of (127 - 5) / 3 = 40.
+ *
+ * In reality, nobody is ever going to call us with anywhere close to
+ * 40 attributes to collect, so it is safe to assume that if i > 40
+ * then the user has given some invalid or repeated arguments. These
+ * problems will be caught and reported at the end of the function.
+ *
+ * We know at this point that we have an error, but we don't know
+ * what error it is, so just continue...
+ */
+ if (i < 40)
+ collected |= (1ull << i);
+
+ value = attribute_values[i];
+
+ if (value == NULL && mandatory)
+ {
+ g_set_error (error, G_MARKUP_ERROR,
+ G_MARKUP_ERROR_MISSING_ATTRIBUTE,
+ "element '%s' requires attribute '%s'",
+ element_name, attr);
+
+ va_end (ap);
+ goto failure;
+ }
+
+ switch (type)
+ {
+ case G_MARKUP_COLLECT_STRING:
+ {
+ const char **str_ptr;
+
+ str_ptr = va_arg (ap, const char **);
+
+ if (str_ptr != NULL)
+ *str_ptr = value;
+ }
+ break;
+
+ case G_MARKUP_COLLECT_STRDUP:
+ {
+ char **str_ptr;
+
+ str_ptr = va_arg (ap, char **);
+
+ if (str_ptr != NULL)
+ *str_ptr = g_strdup (value);
+ }
+ break;
+
+ case G_MARKUP_COLLECT_BOOLEAN:
+ case G_MARKUP_COLLECT_TRISTATE:
+ if (value == NULL)
+ {
+ gboolean *bool_ptr;
+
+ bool_ptr = va_arg (ap, gboolean *);
+
+ if (bool_ptr != NULL)
+ {
+ if (type == G_MARKUP_COLLECT_TRISTATE)
+ /* constructivists rejoice!
+ * neither false nor true...
+ */
+ *bool_ptr = -1;
+
+ else /* G_MARKUP_COLLECT_BOOLEAN */
+ *bool_ptr = FALSE;
+ }
+ }
+ else
+ {
+ if (!g_markup_parse_boolean (value, va_arg (ap, gboolean *)))
+ {
+ g_set_error (error, G_MARKUP_ERROR,
+ G_MARKUP_ERROR_INVALID_CONTENT,
+ "element '%s', attribute '%s', value '%s' "
+ "cannot be parsed as a boolean value",
+ element_name, attr, value);
+
+ va_end (ap);
+ goto failure;
+ }
+ }
+
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ type = va_arg (ap, GMarkupCollectType);
+ attr = va_arg (ap, const char *);
+ written++;
+ }
+ va_end (ap);
+
+ /* ensure we collected all the arguments */
+ for (i = 0; attribute_names[i]; i++)
+ if ((collected & (1 << i)) == 0)
+ {
+ /* attribute not collected: could be caused by two things.
+ *
+ * 1) it doesn't exist in our list of attributes
+ * 2) it existed but was matched by a duplicate attribute earlier
+ *
+ * find out.
+ */
+ int j;
+
+ for (j = 0; j < i; j++)
+ if (strcmp (attribute_names[i], attribute_names[j]) == 0)
+ /* duplicate! */
+ break;
+
+ /* j is now the first occurance of attribute_names[i] */
+ if (i == j)
+ g_set_error (error, G_MARKUP_ERROR,
+ G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
+ "attribute '%s' invalid for element '%s'",
+ attribute_names[i], element_name);
+ else
+ g_set_error (error, G_MARKUP_ERROR,
+ G_MARKUP_ERROR_INVALID_CONTENT,
+ "attribute '%s' given multiple times for element '%s'",
+ attribute_names[i], element_name);
+
+ goto failure;
+ }
+
+ return TRUE;
+
+failure:
+ /* replay the above to free allocations */
+ type = first_type;
+ attr = first_attr;
+
+ va_start (ap, first_attr);
+ while (type != G_MARKUP_COLLECT_INVALID)
+ {
+ gpointer ptr;
+
+ ptr = va_arg (ap, gpointer);
+
+ if (ptr == NULL)
+ continue;
+
+ switch (type & (G_MARKUP_COLLECT_OPTIONAL - 1))
+ {
+ case G_MARKUP_COLLECT_STRDUP:
+ if (written)
+ g_free (*(char **) ptr);
+
+ case G_MARKUP_COLLECT_STRING:
+ *(char **) ptr = NULL;
+ break;
+
+ case G_MARKUP_COLLECT_BOOLEAN:
+ *(gboolean *) ptr = FALSE;
+ break;
+
+ case G_MARKUP_COLLECT_TRISTATE:
+ *(gboolean *) ptr = -1;
+ break;
+ }
+
+ type = va_arg (ap, GMarkupCollectType);
+ attr = va_arg (ap, const char *);
+
+ if (written)
+ written--;
+ }
+ va_end (ap);
+
+ return FALSE;
+}
+
#define __G_MARKUP_C__
#include "galiasdef.c"
projects / platform / upstream / glib.git / blobdiff