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- //========================================================================
- //
- // Dict.cc
- //
- // Copyright 1996 Derek B. Noonburg
- //
- //========================================================================
-
- #ifdef __GNUC__
- //#pragma implementation
- #endif
-
- #include <stddef.h>
- #include <string.h>
- #include "gmem.h"
- #include "Object.h"
- #include "XRef.h"
- #include "Dict.h"
-
- //------------------------------------------------------------------------
- // Dict
- //------------------------------------------------------------------------
-
- Dict::Dict() {
- entries = NULL;
- size = length = 0;
- ref = 1;
- }
-
- Dict::~Dict() {
- int i;
-
- for (i = 0; i < length; ++i) {
- gfree(entries[i].key);
- entries[i].val.free();
- }
- gfree(entries);
- }
-
- void Dict::add(char *key, Object *val) {
- if (length + 1 > size) {
- size += 8;
- entries = (DictEntry *)grealloc(entries, size * sizeof(DictEntry));
- }
- entries[length].key = key;
- entries[length].val = *val;
- ++length;
- }
-
- inline DictEntry *Dict::find(char *key) {
- int i;
-
- for (i = 0; i < length; ++i) {
- if (!strcmp(key, entries[i].key))
- return &entries[i];
- }
- return NULL;
- }
-
- GBool Dict::is(char *type) {
- DictEntry *e;
-
- return (e = find("Type")) && e->val.isName(type);
- }
-
- Object *Dict::lookup(char *key, Object *obj) {
- DictEntry *e;
-
- return (e = find(key)) ? e->val.fetch(obj) : obj->initNull();
- }
-
- Object *Dict::lookupNF(char *key, Object *obj) {
- DictEntry *e;
-
- return (e = find(key)) ? e->val.copy(obj) : obj->initNull();
- }
-
- char *Dict::getKey(int i) {
- return entries[i].key;
- }
-
- Object *Dict::getVal(int i, Object *obj) {
- return entries[i].val.fetch(obj);
- }
-
- Object *Dict::getValNF(int i, Object *obj) {
- return entries[i].val.copy(obj);
- }
-