HPDF_Xref
HPDF_Xref_New (HPDF_MMgr mmgr,
HPDF_UINT32 offset)
{
HPDF_Xref xref;
HPDF_XrefEntry new_entry;
HPDF_PTRACE((" HPDF_Xref_New\n"));
xref = (HPDF_Xref)HPDF_GetMem (mmgr, sizeof(HPDF_Xref_Rec));
if (!xref)
return NULL;
HPDF_MemSet (xref, 0, sizeof(HPDF_Xref_Rec));
xref->mmgr = mmgr;
xref->error = mmgr->error;
xref->start_offset = offset;
xref->entries = HPDF_List_New (mmgr, HPDF_DEFALUT_XREF_ENTRY_NUM);
if (!xref->entries)
goto Fail;
xref->addr = 0;
if (xref->start_offset == 0) {
new_entry = (HPDF_XrefEntry)HPDF_GetMem (mmgr,
sizeof(HPDF_XrefEntry_Rec));
if (!new_entry)
goto Fail;
if (HPDF_List_Add (xref->entries, new_entry) != HPDF_OK) {
HPDF_FreeMem (mmgr, new_entry);
goto Fail;
}
/* add first entry which is free entry and whose generation
* number is 0
*/
new_entry->entry_typ = HPDF_FREE_ENTRY;
new_entry->byte_offset = 0;
new_entry->gen_no = HPDF_MAX_GENERATION_NUM;
new_entry->obj = NULL;
}
xref->trailer = HPDF_Dict_New (mmgr);
if (!xref->trailer)
goto Fail;
return xref;
Fail:
HPDF_PTRACE((" HPDF_Xref_New failed\n"));
HPDF_Xref_Free (xref);
return NULL;
}
HPDF_FreeDoc (HPDF_Doc pdf)
{
HPDF_PTRACE ((" HPDF_FreeDoc\n"));
if (HPDF_Doc_Validate (pdf)) {
if (pdf->xref) {
HPDF_Xref_Free (pdf->xref);
pdf->xref = NULL;
}
if (pdf->font_mgr) {
HPDF_List_Free (pdf->font_mgr);
pdf->font_mgr = NULL;
}
if (pdf->fontdef_list)
CleanupFontDefList (pdf);
HPDF_MemSet(pdf->ttfont_tag, 0, 6);
pdf->pdf_version = HPDF_VER_13;
pdf->outlines = NULL;
pdf->catalog = NULL;
pdf->root_pages = NULL;
pdf->cur_pages = NULL;
pdf->cur_page = NULL;
pdf->encrypt_on = HPDF_FALSE;
pdf->cur_page_num = 0;
pdf->cur_encoder = NULL;
pdf->def_encoder = NULL;
pdf->page_per_pages = 0;
if (pdf->page_list) {
HPDF_List_Free (pdf->page_list);
pdf->page_list = NULL;
}
pdf->encrypt_dict = NULL;
pdf->info = NULL;
HPDF_Error_Reset (&pdf->error);
if (pdf->stream) {
HPDF_Stream_Free (pdf->stream);
pdf->stream = NULL;
}
}
}