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Diffstat (limited to 'src/cos_object.c')
-rw-r--r--src/cos_object.c157
1 files changed, 131 insertions, 26 deletions
diff --git a/src/cos_object.c b/src/cos_object.c
index 0c97190..5d7da19 100644
--- a/src/cos_object.c
+++ b/src/cos_object.c
@@ -21,6 +21,102 @@
#include "cos_parse.h"
#include "pdf_doc.h"
+static nspdferror cos_dump_object(const char *fmt, struct cos_object *cos_obj)
+{
+ printf("%s\n", fmt);
+ switch (cos_obj->type) {
+ case COS_TYPE_NAMETREE:
+ printf(" type = COS_TYPE_NAMETREE\n");
+ break;
+
+ case COS_TYPE_REFERENCE:
+ printf(" type = COS_TYPE_REFERENCE\n"
+ " u.reference->id = %lu\n"
+ " u.reference->generation = %lu\n",
+ cos_obj->u.reference->id,
+ cos_obj->u.reference->generation);
+ break;
+
+ case COS_TYPE_NULL:
+ printf(" type = COS_TYPE_NULL\n");
+ break;
+
+ case COS_TYPE_CONTENT:
+ printf(" type = COS_TYPE_CONTENT\n"
+ " u.content->length = %d\n"
+ " u.content->alloc = %d\n"
+ " u.content->operations = %p\n",
+ cos_obj->u.content->length,
+ cos_obj->u.content->alloc,
+ cos_obj->u.content->operations);
+ break;
+
+ case COS_TYPE_BOOL:
+ printf(" type = COS_TYPE_BOOL\n u.b = %s\n",
+ cos_obj->u.b ? "true" : "false");
+ break;
+
+ case COS_TYPE_INT:
+ printf(" type = COS_TYPE_INT\n u.i = %ld\n", cos_obj->u.i);
+ break;
+
+ case COS_TYPE_REAL:
+ printf(" type = COS_TYPE_REAL\n u.real = %f\n", cos_obj->u.real);
+ break;
+
+ case COS_TYPE_NAME:
+ printf(" type = COS_TYPE_NAME\n u.name = %s\n", cos_obj->u.name);
+ break;
+
+ case COS_TYPE_STRING:
+ printf(" type = COS_TYPE_STRING\n");
+ //free(cos_obj->u.s->data);
+ //free(cos_obj->u.s);
+ break;
+
+ case COS_TYPE_DICTIONARY:
+ printf(" type = COS_TYPE_DICTIONARY\n");
+ /*
+ dentry = cos_obj->u.dictionary;
+ while (dentry != NULL) {
+ struct cos_dictionary_entry *odentry;
+
+ cos_free_object(dentry->key);
+ cos_free_object(dentry->value);
+
+ odentry = dentry;
+ dentry = dentry->next;
+ free(odentry);
+ }
+ */
+ break;
+
+ case COS_TYPE_ARRAY:
+ printf(" type = COS_TYPE_ARRAY\n");
+ /*
+ if (cos_obj->u.array->alloc > 0) {
+ for (aentry = 0; aentry < cos_obj->u.array->length; aentry++) {
+ cos_free_object(*(cos_obj->u.array->values + aentry));
+ }
+ free(cos_obj->u.array->values);
+ }
+ free(cos_obj->u.array);
+ */
+ break;
+
+ case COS_TYPE_STREAM:
+ printf(" type = COS_TYPE_STREAM\n");
+ /*
+ free(cos_obj->u.stream);
+ */
+ break;
+
+ }
+
+
+ return NSPDFERROR_OK;
+
+}
nspdferror cos_free_object(struct cos_object *cos_obj)
{
@@ -173,9 +269,9 @@ cos_get_dictionary_name(struct nspdf_doc *doc,
nspdferror
cos_get_dictionary_string(struct nspdf_doc *doc,
- struct cos_object *dict,
- const char *key,
- struct cos_string **string_out)
+ struct cos_object *dict,
+ const char *key,
+ struct cos_string **string_out)
{
nspdferror res;
struct cos_object *dict_value;
@@ -189,9 +285,9 @@ cos_get_dictionary_string(struct nspdf_doc *doc,
nspdferror
cos_get_dictionary_dictionary(struct nspdf_doc *doc,
- struct cos_object *dict,
- const char *key,
- struct cos_object **value_out)
+ struct cos_object *dict,
+ const char *key,
+ struct cos_object **value_out)
{
nspdferror res;
struct cos_object *dict_value;
@@ -205,9 +301,9 @@ cos_get_dictionary_dictionary(struct nspdf_doc *doc,
nspdferror
cos_heritable_dictionary_dictionary(struct nspdf_doc *doc,
- struct cos_object *dict,
- const char *key,
- struct cos_object **value_out)
+ struct cos_object *dict,
+ const char *key,
+ struct cos_object **value_out)
{
nspdferror res;
struct cos_object *dict_value;
@@ -223,9 +319,9 @@ cos_heritable_dictionary_dictionary(struct nspdf_doc *doc,
nspdferror
cos_get_dictionary_array(struct nspdf_doc *doc,
- struct cos_object *dict,
- const char *key,
- struct cos_object **value_out)
+ struct cos_object *dict,
+ const char *key,
+ struct cos_object **value_out)
{
nspdferror res;
struct cos_object *dict_value;
@@ -239,9 +335,9 @@ cos_get_dictionary_array(struct nspdf_doc *doc,
nspdferror
cos_heritable_dictionary_array(struct nspdf_doc *doc,
- struct cos_object *dict,
- const char *key,
- struct cos_object **value_out)
+ struct cos_object *dict,
+ const char *key,
+ struct cos_object **value_out)
{
nspdferror res;
struct cos_object *dict_value;
@@ -296,8 +392,8 @@ cos_get_number(struct nspdf_doc *doc,
nspdferror
cos_get_name(struct nspdf_doc *doc,
- struct cos_object *cobj,
- const char **value_out)
+ struct cos_object *cobj,
+ const char **value_out)
{
nspdferror res;
@@ -334,8 +430,8 @@ cos_get_dictionary(struct nspdf_doc *doc,
nspdferror
cos_get_array(struct nspdf_doc *doc,
- struct cos_object *cobj,
- struct cos_object **value_out)
+ struct cos_object *cobj,
+ struct cos_object **value_out)
{
nspdferror res;
@@ -410,7 +506,7 @@ cos_get_object(struct nspdf_doc *doc,
* exported interface documented in cos_object.h
*
* slightly different behaviour to other getters:
-
+ *
* - This getter can be passed an object pointer to a synthetic parsed content
* stream object in which case it returns that objects content operation
* list.
@@ -437,10 +533,14 @@ cos_get_content(struct nspdf_doc *doc,
struct cos_object *content_obj; /* parsed content object */
struct cos_object tmpobj;
- /* already parsed the content stream */
+ //cos_dump_object("get content of", cobj);
+
if (cobj->type == COS_TYPE_CONTENT) {
- *content_out = cobj->u.content;
- } else if (cobj->type == COS_TYPE_REFERENCE) {
+ /* already parsed the content stream */
+ goto cos_get_content_done;
+ }
+
+ if (cobj->type == COS_TYPE_REFERENCE) {
/* single reference */
reference_count = 1;
references = calloc(reference_count, sizeof(struct cos_object *));
@@ -504,10 +604,15 @@ cos_get_content(struct nspdf_doc *doc,
tmpobj = *cobj;
*cobj = *content_obj;
*content_obj = tmpobj;
+
+ //cos_dump_object("content object", cobj);
+ //cos_dump_object("free object", content_obj);
+
cos_free_object(content_obj);
/** \todo call nspdf__xref_free_referenced(doc, *(references + index)); to free up storage associated with already parsed streams */
+cos_get_content_done:
*content_out = cobj->u.content;
return NSPDFERROR_OK;
@@ -541,9 +646,9 @@ cos_get_array_value(struct nspdf_doc *doc,
nspdferror
cos_get_array_dictionary(struct nspdf_doc *doc,
- struct cos_object *array,
- unsigned int index,
- struct cos_object **value_out)
+ struct cos_object *array,
+ unsigned int index,
+ struct cos_object **value_out)
{
nspdferror res;
struct cos_object *array_value;
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 09:29:33 +0000