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-rw-r--r--kpdf/xpdf/goo/GList.cc97
1 files changed, 97 insertions, 0 deletions
diff --git a/kpdf/xpdf/goo/GList.cc b/kpdf/xpdf/goo/GList.cc
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+++ b/kpdf/xpdf/goo/GList.cc
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+//========================================================================
+//
+// GList.cc
+//
+// Copyright 2001-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include "gmem.h"
+#include "GList.h"
+
+//------------------------------------------------------------------------
+// GList
+//------------------------------------------------------------------------
+
+GList::GList() {
+ size = 8;
+ data = (void **)gmallocn(size, sizeof(void*));
+ length = 0;
+ inc = 0;
+}
+
+GList::GList(int sizeA) {
+ size = sizeA;
+ data = (void **)gmallocn(size, sizeof(void*));
+ length = 0;
+ inc = 0;
+}
+
+GList::~GList() {
+ gfree(data);
+}
+
+void GList::append(void *p) {
+ if (length >= size) {
+ expand();
+ }
+ data[length++] = p;
+}
+
+void GList::append(GList *list) {
+ int i;
+
+ while (length + list->length > size) {
+ expand();
+ }
+ for (i = 0; i < list->length; ++i) {
+ data[length++] = list->data[i];
+ }
+}
+
+void GList::insert(int i, void *p) {
+ if (length >= size) {
+ expand();
+ }
+ if (i < length) {
+ memmove(data+i+1, data+i, (length - i) * sizeof(void *));
+ }
+ data[i] = p;
+ ++length;
+}
+
+void *GList::del(int i) {
+ void *p;
+
+ p = data[i];
+ if (i < length - 1) {
+ memmove(data+i, data+i+1, (length - i - 1) * sizeof(void *));
+ }
+ --length;
+ if (size - length >= ((inc > 0) ? inc : size/2)) {
+ shrink();
+ }
+ return p;
+}
+
+void GList::sort(int (*cmp)(const void *obj1, const void *obj2)) {
+ qsort(data, length, sizeof(void *), cmp);
+}
+
+void GList::expand() {
+ size += (inc > 0) ? inc : size;
+ data = (void **)greallocn(data, size, sizeof(void*));
+}
+
+void GList::shrink() {
+ size -= (inc > 0) ? inc : size/2;
+ data = (void **)greallocn(data, size, sizeof(void*));
+}