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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7423 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2005-09-10 23:37:56 +00:00
commit ee4450aaf2
1 changed files with 34 additions and 9 deletions
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43
Source/Swig/tree.c
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@ -44,12 +44,6 @@ Swig_print_tags(DOH *obj, DOH *root) {
Delete(croot); Delete(croot);
} }
/* -----------------------------------------------------------------------------
* Swig_print_tree()
*
* Dump the tree structure of a parse tree to standard output
* ----------------------------------------------------------------------------- */
static int indent_level = 0; static int indent_level = 0;
static void print_indent(int l) { static void print_indent(int l) {
@ -114,6 +108,12 @@ Swig_print_node(Node *obj) {
} }
} }
/* -----------------------------------------------------------------------------
* Swig_print_tree()
*
* Dump the tree structure of a parse tree to standard output
* ----------------------------------------------------------------------------- */
void void
Swig_print_tree(DOH *obj) { Swig_print_tree(DOH *obj) {
while (obj) { while (obj) {
@ -216,6 +216,10 @@ Swig_tag_nodes(Node *n, const String_or_char *attrname, DOH *value) {
} }
} }
/* -----------------------------------------------------------------------------
* checkAttribute()
* ----------------------------------------------------------------------------- */
int int
checkAttribute(Node *n, const String_or_char *name, const String_or_char *value) { checkAttribute(Node *n, const String_or_char *name, const String_or_char *value) {
String *v; String *v;
@ -227,6 +231,16 @@ checkAttribute(Node *n, const String_or_char *name, const String_or_char *value)
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* Swig_require() * Swig_require()
* ns - namespace for the view name for saving any attributes under
* n - node
* ... - list of attribute names of type char*
* This method checks that the attribute names exist in the node n and asserts if
* not. Assert will only occur unless the attribute is optional. An attribute is
* optional if it is prefixed by ?, eg "?value". If the attribute name is prefixed
* by * or ?, eg "*value" then a copy of the attribute is saved. The saved
* attributes will be restored on a subsequent call to Swig_restore(). All the
* saved attributes are saved in the view namespace (prefixed by ns).
* This function can be called more than once with different namespaces.
* ----------------------------------------------------------------------------- */ * ----------------------------------------------------------------------------- */
int int
@ -286,6 +300,12 @@ Swig_require(const char *ns, Node *n, ...) {
} }
/* -----------------------------------------------------------------------------
* Swig_save()
* Same as Swig_require(), but all attribute names are optional and all attributes
* are saved, ie behaves as if all the attribute names were prefixed by ?.
* ----------------------------------------------------------------------------- */
int int
Swig_save(const char *ns, Node *n, ...) { Swig_save(const char *ns, Node *n, ...) {
va_list ap; va_list ap;
@ -302,9 +322,9 @@ Swig_save(const char *ns, Node *n, ...) {
name++; name++;
} }
obj = Getattr(n,name); obj = Getattr(n,name);
if (!obj) { if (!obj) obj = DohNone;
obj = DohNone;
} /* Save a copy of the attribute */
strcpy(temp,ns); strcpy(temp,ns);
strcat(temp,":"); strcat(temp,":");
strcat(temp,name); strcat(temp,name);
@ -333,6 +353,11 @@ Swig_save(const char *ns, Node *n, ...) {
return 1; return 1;
} }
/* -----------------------------------------------------------------------------
* Swig_restore()
* Restores attributes saved by a previous call to Swig_require() or Swig_save().
* ----------------------------------------------------------------------------- */
void void
Swig_restore(Node *n) { Swig_restore(Node *n) {
char temp[512]; char temp[512];