static int getpdf(lua_State * L)
{
char *s;
int i, l;
if (lua_isstring(L, 2) && (lua_tostring(L, 2) != NULL)) {
lua_pushstring(L, PDF_ENV); /* s ... */
lua_gettable(L, LUA_REGISTRYINDEX); /* t ... */
lua_pushvalue(L, 2); /* st t ... */
lua_gettable(L, -2); /* i? t ... */
if (lua_isnumber(L, -1)) { /* i t ... */
i = (int) lua_tointeger(L, -1); /* i t ... */
lua_pop(L, 2); /* ... */
switch (i) {
case P_PDFCATALOG:
case P_CATALOG:
s = tokenlist_to_cstring(pdf_catalog_toks, true, &l);
lua_pushlstring(L, s, (size_t) l);
break;
case P_PDFINFO:
case P_INFO:
s = tokenlist_to_cstring(pdf_info_toks, true, &l);
lua_pushlstring(L, s, (size_t) l);
break;
case P_PDFNAMES:
case P_NAMES:
s = tokenlist_to_cstring(pdf_names_toks, true, &l);
lua_pushlstring(L, s, (size_t) l);
break;
case P_PDFTRAILER:
case P_TRAILER:
s = tokenlist_to_cstring(pdf_trailer_toks, true, &l);
lua_pushlstring(L, s, (size_t) l);
break;
case P_H:
lua_pushnumber(L, static_pdf->posstruct->pos.h);
break;
case P_V:
lua_pushnumber(L, static_pdf->posstruct->pos.v);
break;
default:
lua_rawget(L, -2);
}
} else {
lua_pop(L, 2); /* ... */
lua_rawget(L, -2);
}
} else {
lua_pushnil(L);
}
return 1;
}
void tokenlist_to_luastring(lua_State * L, int p)
{
int l;
char *s;
s = tokenlist_to_cstring(p, 1, &l);
lua_pushlstring(L, s, (size_t) l);
free(s);
}
void write_out(halfword p)
{
int old_setting;
int j;
char*s,*ss;
int callback_id;
int lua_retval;
expand_macros_in_tokenlist(p);
old_setting= selector;
j= write_stream(p);
if(file_can_be_written(j)){
selector= j;
}else if((j==term_only)&&(selector==term_and_log)){
selector= log_only;
tprint_nl("");
}else{
tprint_nl("");
}
s= tokenlist_to_cstring(def_ref,false,NULL);
if(selector<no_print){
callback_id= callback_defined(process_output_buffer_callback);
if(callback_id> 0){
lua_retval= run_callback(callback_id,"S->S",s,&ss);
if((lua_retval==true)&&(ss!=NULL)){
xfree(s);
s= ss;
}
}
}
tprint(s);
xfree(s);
print_ln();
flush_list(def_ref);
selector= old_setting;
}
void scan_pdfximage(PDF pdf)
{
scaled_whd alt_rule;
image_dict *idict;
int transform = 0, page = 1, pagebox, colorspace = 0;
char *named = NULL, *attr = NULL, *file_name = NULL, *user = NULL, *owner = NULL, *visible = NULL;
alt_rule = scan_alt_rule();
if (scan_keyword("attr")) {
scan_toks(false, true);
attr = tokenlist_to_cstring(def_ref, true, NULL);
delete_token_ref(def_ref);
}
if (scan_keyword("named")) {
scan_toks(false, true);
if (0) {
named = tokenlist_to_cstring(def_ref, true, NULL);
page = 0;
} else {
normal_warning("pdf backend","named pages are not supported, using page 1");
page = 1;
}
delete_token_ref(def_ref);
} else if (scan_keyword("page")) {
scan_int();
page = cur_val;
}
if (scan_keyword("userpassword")) {
scan_toks(false, true);
user = tokenlist_to_cstring(def_ref, true, NULL);
delete_token_ref(def_ref);
}
if (scan_keyword("ownerpassword")) {
scan_toks(false, true);
owner = tokenlist_to_cstring(def_ref, true, NULL);
delete_token_ref(def_ref);
}
if (scan_keyword("visiblefilename")) {
scan_toks(false, true);
visible = tokenlist_to_cstring(def_ref, true, NULL);
delete_token_ref(def_ref);
}
if (scan_keyword("colorspace")) {
scan_int();
colorspace = cur_val;
}
pagebox = scan_pdf_box_spec();
if (pagebox == PDF_BOX_SPEC_NONE) {
pagebox = pdf_pagebox;
if (pagebox == PDF_BOX_SPEC_NONE)
pagebox = PDF_BOX_SPEC_CROP;
}
scan_toks(false, true);
file_name = tokenlist_to_cstring(def_ref, true, NULL);
if (file_name == NULL) {
normal_error("pdf backend","no image filename given");
}
delete_token_ref(def_ref);
idict = read_image(file_name, page, named, colorspace, pagebox, user, owner, visible);
img_attr(idict) = attr;
img_dimen(idict) = alt_rule;
img_transform(idict) = transform;
last_saved_image_index = img_objnum(idict);
last_saved_image_pages = img_totalpages(idict);
}
