94 lines
1.7 KiB
C
94 lines
1.7 KiB
C
#include "fitz.h"
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#include "mupdf.h"
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static pdf_outline *
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pdf_load_outline_imp(pdf_xref *xref, fz_obj *dict)
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{
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pdf_outline *node;
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fz_obj *obj;
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if (fz_is_null(dict))
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return NULL;
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node = fz_malloc(sizeof(pdf_outline));
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node->title = NULL;
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node->link = NULL;
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node->child = NULL;
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node->next = NULL;
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node->count = 0;
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obj = fz_dict_gets(dict, "Title");
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if (obj)
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node->title = pdf_to_utf8(obj);
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obj = fz_dict_gets(dict, "Count");
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if (obj)
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node->count = fz_to_int(obj);
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if (fz_dict_gets(dict, "Dest") || fz_dict_gets(dict, "A"))
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node->link = pdf_load_link(xref, dict);
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obj = fz_dict_gets(dict, "First");
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if (obj)
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node->child = pdf_load_outline_imp(xref, obj);
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obj = fz_dict_gets(dict, "Next");
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if (obj)
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node->next = pdf_load_outline_imp(xref, obj);
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return node;
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}
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pdf_outline *
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pdf_load_outline(pdf_xref *xref)
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{
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fz_obj *root, *obj, *first;
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root = fz_dict_gets(xref->trailer, "Root");
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obj = fz_dict_gets(root, "Outlines");
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first = fz_dict_gets(obj, "First");
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if (first)
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return pdf_load_outline_imp(xref, first);
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return NULL;
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}
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void
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pdf_free_outline(pdf_outline *outline)
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{
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if (outline->child)
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pdf_free_outline(outline->child);
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if (outline->next)
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pdf_free_outline(outline->next);
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if (outline->link)
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pdf_free_link(outline->link);
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fz_free(outline->title);
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fz_free(outline);
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}
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void
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pdf_debug_outline(pdf_outline *outline, int level)
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{
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int i;
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while (outline)
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{
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for (i = 0; i < level; i++)
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putchar(' ');
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if (outline->title)
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printf("%s ", outline->title);
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else
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printf("<NULL> ");
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if (outline->link)
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fz_debug_obj(outline->link->dest);
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else
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printf("<NULL>\n");
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if (outline->child)
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pdf_debug_outline(outline->child, level + 2);
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outline = outline->next;
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}
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}
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