summaryrefslogtreecommitdiff
path: root/source/pdf/pdf-interpret.c
diff options
context:
space:
mode:
Diffstat (limited to 'source/pdf/pdf-interpret.c')
-rw-r--r--source/pdf/pdf-interpret.c119
1 files changed, 64 insertions, 55 deletions
diff --git a/source/pdf/pdf-interpret.c b/source/pdf/pdf-interpret.c
index b67de46e..a3df4c77 100644
--- a/source/pdf/pdf-interpret.c
+++ b/source/pdf/pdf-interpret.c
@@ -1,17 +1,18 @@
#include "pdf-interpret-imp.h"
static pdf_csi *
-pdf_new_csi(pdf_document *doc, fz_cookie *cookie, const pdf_process *process)
+pdf_new_csi(fz_context *ctx, pdf_document *doc, fz_cookie *cookie, const pdf_process *process)
{
pdf_csi *csi = NULL;
- fz_context *ctx = doc->ctx;
fz_var(csi);
fz_try(ctx)
{
csi = fz_malloc_struct(ctx, pdf_csi);
- csi->doc = doc;
+ csi->ctx = ctx; /* FIXME */
+ csi->doc = doc; /* FIXME */
+
csi->in_text = 0;
csi->top = 0;
@@ -38,12 +39,14 @@ pdf_new_csi(pdf_document *doc, fz_cookie *cookie, const pdf_process *process)
static void
pdf_clear_stack(pdf_csi *csi)
{
+ fz_context *ctx = csi->ctx;
+
int i;
- fz_drop_image(csi->doc->ctx, csi->img);
+ fz_drop_image(ctx, csi->img);
csi->img = NULL;
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = NULL;
csi->name[0] = 0;
@@ -57,7 +60,7 @@ pdf_clear_stack(pdf_csi *csi)
static void
pdf_drop_csi(pdf_csi *csi)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
pdf_process_op(csi, PDF_OP_END, &csi->process);
fz_free(ctx, csi);
@@ -70,27 +73,29 @@ pdf_drop_csi(pdf_csi *csi)
static void
parse_inline_image(pdf_csi *csi)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
+ pdf_document *doc = csi->doc;
+
pdf_obj *rdb = csi->rdb;
fz_stream *file = csi->file;
int ch, found;
fz_drop_image(ctx, csi->img);
csi->img = NULL;
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = NULL;
- csi->obj = pdf_parse_dict(csi->doc, file, &csi->doc->lexbuf.base);
+ csi->obj = pdf_parse_dict(ctx, doc, file, &doc->lexbuf.base);
/* read whitespace after ID keyword */
- ch = fz_read_byte(file);
+ ch = fz_read_byte(ctx, file);
if (ch == '\r')
- if (fz_peek_byte(file) == '\n')
- fz_read_byte(file);
+ if (fz_peek_byte(ctx, file) == '\n')
+ fz_read_byte(ctx, file);
fz_try(ctx)
{
- csi->img = pdf_load_inline_image(csi->doc, rdb, csi->obj, file);
+ csi->img = pdf_load_inline_image(ctx, doc, rdb, csi->obj, file);
}
fz_catch(ctx)
{
@@ -99,17 +104,17 @@ parse_inline_image(pdf_csi *csi)
/* find EI */
found = 0;
- ch = fz_read_byte(file);
+ ch = fz_read_byte(ctx, file);
do
{
while (ch != 'E' && ch != EOF)
- ch = fz_read_byte(file);
+ ch = fz_read_byte(ctx, file);
if (ch == 'E')
{
- ch = fz_read_byte(file);
+ ch = fz_read_byte(ctx, file);
if (ch == 'I')
{
- ch = fz_peek_byte(file);
+ ch = fz_peek_byte(ctx, file);
if (ch == ' ' || ch <= 32 || ch == EOF || ch == '<' || ch == '/')
{
found = 1;
@@ -125,7 +130,8 @@ parse_inline_image(pdf_csi *csi)
static int
pdf_run_keyword(pdf_csi *csi, char *buf)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
+
int key;
PDF_OP op;
@@ -278,7 +284,9 @@ pdf_run_keyword(pdf_csi *csi, char *buf)
void
pdf_process_stream(pdf_csi *csi, pdf_lexbuf *buf)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
+ pdf_document *doc = csi->doc;
+
fz_stream *file = csi->file;
pdf_token tok = PDF_TOK_ERROR;
int in_text_array = 0;
@@ -313,7 +321,7 @@ pdf_process_stream(pdf_csi *csi, pdf_lexbuf *buf)
csi->cookie->progress++;
}
- tok = pdf_lex(file, buf);
+ tok = pdf_lex(ctx, file, buf);
if (in_text_array)
{
@@ -323,27 +331,27 @@ pdf_process_stream(pdf_csi *csi, pdf_lexbuf *buf)
in_text_array = 0;
break;
case PDF_TOK_REAL:
- pdf_array_push_drop(csi->obj, pdf_new_real(csi->doc, buf->f));
+ pdf_array_push_drop(ctx, csi->obj, pdf_new_real(ctx, doc, buf->f));
break;
case PDF_TOK_INT:
- pdf_array_push_drop(csi->obj, pdf_new_int(csi->doc, buf->i));
+ pdf_array_push_drop(ctx, csi->obj, pdf_new_int(ctx, doc, buf->i));
break;
case PDF_TOK_STRING:
- pdf_array_push_drop(csi->obj, pdf_new_string(csi->doc, buf->scratch, buf->len));
+ pdf_array_push_drop(ctx, csi->obj, pdf_new_string(ctx, doc, buf->scratch, buf->len));
break;
case PDF_TOK_EOF:
break;
case PDF_TOK_KEYWORD:
if (!strcmp(buf->scratch, "Tw") || !strcmp(buf->scratch, "Tc"))
{
- int l = pdf_array_len(csi->obj);
+ int l = pdf_array_len(ctx, csi->obj);
if (l > 0)
{
- pdf_obj *o = pdf_array_get(csi->obj, l-1);
- if (pdf_is_number(o))
+ pdf_obj *o = pdf_array_get(ctx, csi->obj, l-1);
+ if (pdf_is_number(ctx, o))
{
- csi->stack[0] = pdf_to_real(o);
- pdf_array_delete(csi->obj, l-1);
+ csi->stack[0] = pdf_to_real(ctx, o);
+ pdf_array_delete(ctx, csi->obj, l-1);
if (pdf_run_keyword(csi, buf->scratch) == 0)
break;
}
@@ -364,35 +372,35 @@ pdf_process_stream(pdf_csi *csi, pdf_lexbuf *buf)
case PDF_TOK_OPEN_ARRAY:
if (csi->obj)
{
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = NULL;
}
if (csi->in_text)
{
in_text_array = 1;
- csi->obj = pdf_new_array(csi->doc, 4);
+ csi->obj = pdf_new_array(ctx, doc, 4);
}
else
{
- csi->obj = pdf_parse_array(csi->doc, file, buf);
+ csi->obj = pdf_parse_array(ctx, doc, file, buf);
}
break;
case PDF_TOK_OPEN_DICT:
if (csi->obj)
{
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = NULL;
}
- csi->obj = pdf_parse_dict(csi->doc, file, buf);
+ csi->obj = pdf_parse_dict(ctx, doc, file, buf);
break;
case PDF_TOK_NAME:
if (csi->name[0])
{
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = NULL;
- csi->obj = pdf_new_name(csi->doc, buf->scratch);
+ csi->obj = pdf_new_name(ctx, doc, buf->scratch);
}
else
fz_strlcpy(csi->name, buf->scratch, sizeof(csi->name));
@@ -426,10 +434,10 @@ pdf_process_stream(pdf_csi *csi, pdf_lexbuf *buf)
{
if (csi->obj)
{
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = NULL;
}
- csi->obj = pdf_new_string(csi->doc, buf->scratch, buf->len);
+ csi->obj = pdf_new_string(ctx, doc, buf->scratch, buf->len);
}
break;
@@ -494,7 +502,8 @@ pdf_process_stream(pdf_csi *csi, pdf_lexbuf *buf)
static void
pdf_process_contents_stream(pdf_csi *csi, pdf_obj *rdb, fz_stream *file)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
+
pdf_lexbuf *buf;
int save_in_text;
pdf_obj *save_obj;
@@ -521,11 +530,11 @@ pdf_process_contents_stream(pdf_csi *csi, pdf_obj *rdb, fz_stream *file)
fz_always(ctx)
{
csi->in_text = save_in_text;
- pdf_drop_obj(csi->obj);
+ pdf_drop_obj(ctx, csi->obj);
csi->obj = save_obj;
csi->rdb = save_rdb;
csi->file = save_file;
- pdf_lexbuf_fin(buf);
+ pdf_lexbuf_fin(ctx, buf);
fz_free(ctx, buf);
}
fz_catch(ctx)
@@ -537,16 +546,15 @@ pdf_process_contents_stream(pdf_csi *csi, pdf_obj *rdb, fz_stream *file)
}
void
-pdf_process_annot(pdf_document *doc, pdf_page *page, pdf_annot *annot, const pdf_process *process, fz_cookie *cookie)
+pdf_process_annot(fz_context *ctx, pdf_document *doc, pdf_page *page, pdf_annot *annot, const pdf_process *process, fz_cookie *cookie)
{
- fz_context *ctx = doc->ctx;
pdf_csi *csi;
int flags;
- csi = pdf_new_csi(doc, cookie, process);
+ csi = pdf_new_csi(ctx, doc, cookie, process);
fz_try(ctx)
{
- flags = pdf_to_int(pdf_dict_gets(annot->obj, "F"));
+ flags = pdf_to_int(ctx, pdf_dict_gets(ctx, annot->obj, "F"));
/* Check not invisible (bit 0) and hidden (bit 1) */
/* TODO: NoZoom and NoRotate */
@@ -568,20 +576,22 @@ pdf_process_annot(pdf_document *doc, pdf_page *page, pdf_annot *annot, const pdf
void
pdf_process_contents_object(pdf_csi *csi, pdf_obj *rdb, pdf_obj *contents)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
+ pdf_document *doc = csi->doc;
+
fz_stream *file = NULL;
if (contents == NULL)
return;
- file = pdf_open_contents_stream(csi->doc, contents);
+ file = pdf_open_contents_stream(ctx, doc, contents);
fz_try(ctx)
{
pdf_process_contents_stream(csi, rdb, file);
}
fz_always(ctx)
{
- fz_drop_stream(file);
+ fz_drop_stream(ctx, file);
}
fz_catch(ctx)
{
@@ -592,7 +602,8 @@ pdf_process_contents_object(pdf_csi *csi, pdf_obj *rdb, pdf_obj *contents)
static void
pdf_process_contents_buffer(pdf_csi *csi, pdf_obj *rdb, fz_buffer *contents)
{
- fz_context *ctx = csi->doc->ctx;
+ fz_context *ctx = csi->ctx;
+
fz_stream *file = NULL;
if (contents == NULL)
@@ -605,7 +616,7 @@ pdf_process_contents_buffer(pdf_csi *csi, pdf_obj *rdb, fz_buffer *contents)
}
fz_always(ctx)
{
- fz_drop_stream(file);
+ fz_drop_stream(ctx, file);
}
fz_catch(ctx)
{
@@ -614,12 +625,11 @@ pdf_process_contents_buffer(pdf_csi *csi, pdf_obj *rdb, fz_buffer *contents)
}
void
-pdf_process_stream_object(pdf_document *doc, pdf_obj *obj, const pdf_process *process, pdf_obj *res, fz_cookie *cookie)
+pdf_process_stream_object(fz_context *ctx, pdf_document *doc, pdf_obj *obj, const pdf_process *process, pdf_obj *res, fz_cookie *cookie)
{
- fz_context *ctx = doc->ctx;
pdf_csi *csi;
- csi = pdf_new_csi(doc, cookie, process);
+ csi = pdf_new_csi(ctx, doc, cookie, process);
fz_try(ctx)
{
csi->process.processor->process_contents(csi, csi->process.state, res, obj);
@@ -636,12 +646,11 @@ pdf_process_stream_object(pdf_document *doc, pdf_obj *obj, const pdf_process *pr
}
void
-pdf_process_glyph(pdf_document *doc, pdf_obj *resources, fz_buffer *contents, pdf_process *process)
+pdf_process_glyph(fz_context *ctx, pdf_document *doc, pdf_obj *resources, fz_buffer *contents, pdf_process *process)
{
pdf_csi *csi;
- fz_context *ctx = doc->ctx;
- csi = pdf_new_csi(doc, NULL, process);
+ csi = pdf_new_csi(ctx, doc, NULL, process);
fz_try(ctx)
{
pdf_process_contents_buffer(csi, resources, contents);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-24 11:59:46 +0000