diff options
| -rw-r--r-- | include/mupdf/pdf/object.h | 1 | ||||
| -rw-r--r-- | source/pdf/pdf-object.c | 13 | ||||
| -rw-r--r-- | source/tools/murun.c | 539 |
3 files changed, 553 insertions, 0 deletions
diff --git a/include/mupdf/pdf/object.h b/include/mupdf/pdf/object.h index c196bece..2d7d8eb5 100644 --- a/include/mupdf/pdf/object.h +++ b/include/mupdf/pdf/object.h @@ -143,6 +143,7 @@ fz_rect *pdf_to_rect(fz_context *ctx, pdf_obj *array, fz_rect *rect); fz_matrix *pdf_to_matrix(fz_context *ctx, pdf_obj *array, fz_matrix *mat); pdf_document *pdf_get_indirect_document(fz_context *ctx, pdf_obj *obj); +pdf_document *pdf_get_bound_document(fz_context *ctx, pdf_obj *obj); void pdf_set_str_len(fz_context *ctx, pdf_obj *obj, int newlen); void pdf_set_int(fz_context *ctx, pdf_obj *obj, int i); void pdf_set_int_offset(fz_context *ctx, pdf_obj *obj, fz_off_t i); diff --git a/source/pdf/pdf-object.c b/source/pdf/pdf-object.c index 406580b2..10a16c8a 100644 --- a/source/pdf/pdf-object.c +++ b/source/pdf/pdf-object.c @@ -388,6 +388,19 @@ pdf_document *pdf_get_indirect_document(fz_context *ctx, pdf_obj *obj) return REF(obj)->doc; } +pdf_document *pdf_get_bound_document(fz_context *ctx, pdf_obj *obj) +{ + if (obj < PDF_OBJ__LIMIT) + return NULL; + if (obj->kind == PDF_INDIRECT) + return REF(obj)->doc; + if (obj->kind == PDF_ARRAY) + return ARRAY(obj)->doc; + if (obj->kind == PDF_DICT) + return DICT(obj)->doc; + return NULL; +} + int pdf_objcmp_resolve(fz_context *ctx, pdf_obj *a, pdf_obj *b) { RESOLVE(a); diff --git a/source/tools/murun.c b/source/tools/murun.c index 33723b3d..17a91e8a 100644 --- a/source/tools/murun.c +++ b/source/tools/murun.c @@ -1,4 +1,5 @@ #include "mupdf/fitz.h" +#include "mupdf/pdf.h" #include "mujs.h" @@ -166,6 +167,18 @@ static void ffi_gc_fz_document(js_State *J, void *doc) fz_drop_document(ctx, doc); } +static void ffi_gc_pdf_document(js_State *J, void *doc) +{ + fz_context *ctx = js_getcontext(J); + pdf_drop_document(ctx, doc); +} + +static void ffi_gc_pdf_obj(js_State *J, void *obj) +{ + fz_context *ctx = js_getcontext(J); + pdf_drop_obj(ctx, obj); +} + static void ffi_gc_fz_page(js_State *J, void *page) { fz_context *ctx = js_getcontext(J); @@ -475,6 +488,203 @@ static void ffi_pushimage(js_State *J, fz_image *image) js_newuserdata(J, "fz_image", fz_keep_image(ctx, image), ffi_gc_fz_image); } +static pdf_obj *ffi_toobj(js_State *J, pdf_document *pdf, int idx) +{ + fz_context *ctx = js_getcontext(J); + pdf_obj *obj; + + /* make sure index is absolute */ + if (idx < 0) + idx += js_gettop(J); + + if (js_isuserdata(J, idx, "pdf_obj")) + return pdf_keep_obj(ctx, js_touserdata(J, idx, "pdf_obj")); + + if (js_isnumber(J, idx)) { + float f = js_tonumber(J, idx); + fz_try(ctx) + if (f == (int)f) + obj = pdf_new_int(ctx, pdf, f); + else + obj = pdf_new_real(ctx, pdf, f); + fz_catch(ctx) + rethrow(J); + return obj; + } + + if (js_isstring(J, idx)) { + const char *s = js_tostring(J, idx); + fz_try(ctx) + if (s[0] == '(') + obj = pdf_new_string(ctx, pdf, s+1, strlen(s)-2); + else + obj = pdf_new_name(ctx, pdf, s); + fz_catch(ctx) + rethrow(J); + return obj; + } + + if (js_isboolean(J, idx)) { + int b = js_toboolean(J, idx); + fz_try(ctx) + obj = pdf_new_bool(ctx, pdf, b); + fz_catch(ctx) + rethrow(J); + return obj; + } + + if (js_isnull(J, idx)) { + fz_try(ctx) + obj = pdf_new_null(ctx, pdf); + fz_catch(ctx) + rethrow(J); + return obj; + } + + if (js_isarray(J, idx)) { + pdf_obj *val; + int i, n = js_getlength(J, idx); + fz_try(ctx) + obj = pdf_new_array(ctx, pdf, n); + fz_catch(ctx) + rethrow(J); + for (i = 0; i < n; ++i) { + js_getindex(J, idx, i); + val = ffi_toobj(J, pdf, -1); + fz_try(ctx) + pdf_array_push(ctx, obj, val); + fz_always(ctx) + pdf_drop_obj(ctx, val); + fz_catch(ctx) + rethrow(J); + js_pop(J, 1); + } + return obj; + } + + if (js_isobject(J, idx)) { + const char *key; + pdf_obj *val; + fz_try(ctx) + obj = pdf_new_dict(ctx, pdf, 0); + fz_catch(ctx) + rethrow(J); + js_pushiterator(J, idx, 1); + while ((key = js_nextiterator(J, -1))) { + js_getproperty(J, idx, key); + val = ffi_toobj(J, pdf, -1); + fz_try(ctx) + pdf_dict_puts(ctx, obj, key, val); + fz_always(ctx) + pdf_drop_obj(ctx, val); + fz_catch(ctx) + rethrow(J); + js_pop(J, 1); + } + js_pop(J, 1); + return obj; + } + + js_error(J, "cannot convert JS type to PDF"); +} + +static void ffi_pushobj(js_State *J, pdf_obj *obj); + +static int is_number(const char *key, int *idx) +{ + char *end; + *idx = strtol(key, &end, 10); + return *end == 0; +} + +static int ffi_pdf_obj_has(js_State *J, void *obj, const char *key) +{ + fz_context *ctx = js_getcontext(J); + pdf_obj *val; + int idx; + + if (is_number(key, &idx)) { + fz_try(ctx) + val = pdf_array_get(ctx, obj, idx); + fz_catch(ctx) + rethrow(J); + } else { + fz_try(ctx) + val = pdf_dict_gets(ctx, obj, key); + fz_catch(ctx) + rethrow(J); + } + if (val) { + ffi_pushobj(J, val); + return 1; + } + return 0; +} + +static int ffi_pdf_obj_put(js_State *J, void *obj, const char *key) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf; + pdf_obj *val; + int idx; + + fz_try(ctx) + pdf = pdf_get_bound_document(ctx, obj); + fz_catch(ctx) + rethrow(J); + + val = ffi_toobj(J, pdf, -1); + + if (is_number(key, &idx)) { + fz_try(ctx) + pdf_array_put(ctx, obj, idx, val); + fz_always(ctx) + pdf_drop_obj(ctx, val); + fz_catch(ctx) + rethrow(J); + } else { + fz_try(ctx) + pdf_dict_puts(ctx, obj, key, val); + fz_always(ctx) + pdf_drop_obj(ctx, val); + fz_catch(ctx) + rethrow(J); + } + return 1; +} + +static int ffi_pdf_obj_delete(js_State *J, void *obj, const char *key) +{ + fz_context *ctx = js_getcontext(J); + int idx; + + if (is_number(key, &idx)) { + fz_try(ctx) + pdf_array_delete(ctx, obj, idx); + fz_catch(ctx) + rethrow(J); + } else { + fz_try(ctx) + pdf_dict_dels(ctx, obj, key); + fz_catch(ctx) + rethrow(J); + } + return 1; +} + +static void ffi_pushobj(js_State *J, pdf_obj *obj) +{ + fz_context *ctx = js_getcontext(J); + if (obj) { + js_getregistry(J, "pdf_obj"); + js_newuserdatax(J, "pdf_obj", pdf_keep_obj(ctx, obj), + ffi_pdf_obj_has, ffi_pdf_obj_put, ffi_pdf_obj_delete, + ffi_gc_pdf_obj); + } else { + js_pushnull(J); + } +} + /* device calling into js from c */ typedef struct js_device_s @@ -1187,6 +1397,25 @@ static void ffi_Document_loadPage(js_State *J) js_newuserdata(J, "fz_page", page, ffi_gc_fz_page); } +static void ffi_Document_toPDF(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + fz_document *doc = js_touserdata(J, 0, "fz_document"); + pdf_document *pdf; + + fz_try(ctx) + pdf = pdf_specifics(ctx, doc); + fz_catch(ctx) + rethrow(J); + + if (pdf) { + js_getregistry(J, "pdf_document"); + js_newuserdata(J, "pdf_document", pdf, ffi_gc_pdf_document); + } else { + js_pushnull(J); + } +} + static void ffi_Page_toPixmap(js_State *J) { fz_context *ctx = js_getcontext(J); @@ -1762,6 +1991,282 @@ static void ffi_new_DrawDevice(js_State *J) js_newuserdata(J, "fz_device", device, ffi_gc_fz_device); } +/* PDF specifics */ + +static void ffi_new_PDFDocument(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + const char *filename = js_isstring(J, 1) ? js_tostring(J, 1) : NULL; + pdf_document *pdf = NULL; + + fz_try(ctx) + if (filename) + pdf = pdf_open_document(ctx, filename); + else + pdf = pdf_create_document(ctx); + fz_catch(ctx) + rethrow(J); + + js_getregistry(J, "pdf_document"); + js_newuserdata(J, "pdf_document", pdf, ffi_gc_pdf_document); +} + +static void ffi_PDFDocument_getTrailer(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + pdf_obj *trailer; + + fz_try(ctx) + trailer = pdf_trailer(ctx, pdf); + fz_catch(ctx) + rethrow(J); + + ffi_pushobj(J, trailer); +} + +static void ffi_PDFDocument_addObject(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + pdf_obj *obj = ffi_toobj(J, pdf, 1); + pdf_obj *ind; + + fz_try(ctx) + ind = pdf_add_object(ctx, pdf, obj); + fz_catch(ctx) + rethrow(J); + + ffi_pushobj(J, ind); +} + +static void ffi_PDFDocument_addStream(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + const char *str = js_tostring(J, 1); + fz_buffer *buf = NULL; + pdf_obj *ind; + + fz_var(buf); + + fz_try(ctx) { + buf = fz_new_buffer_from_shared_data(ctx, (unsigned char*)str, strlen(str)); + ind = pdf_add_stream(ctx, pdf, buf); + } + fz_always(ctx) + fz_drop_buffer(ctx, buf); + fz_catch(ctx) + rethrow(J); + + ffi_pushobj(J, ind); +} + +static void ffi_PDFDocument_save(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + const char *filename = js_tostring(J, 1); + + fz_try(ctx) + pdf_save_document(ctx, pdf, filename, NULL); + fz_catch(ctx) + rethrow(J); +} + +static void ffi_PDFDocument_newNull(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_null(ctx, pdf); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newBoolean(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + int val = js_toboolean(J, 1); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_bool(ctx, pdf, val); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newInteger(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + int val = js_tointeger(J, 1); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_int(ctx, pdf, val); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newReal(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + float val = js_tonumber(J, 1); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_real(ctx, pdf, val); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newString(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + // TODO: convert array of numbers + const char *val = js_tostring(J, 1); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_string(ctx, pdf, val, strlen(val)); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newName(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + const char *val = js_tostring(J, 1); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_name(ctx, pdf, val); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newIndirect(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + int num = js_tointeger(J, 1); + int gen = js_tointeger(J, 2); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_indirect(ctx, pdf, num, gen); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newArray(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_array(ctx, pdf, 0); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFDocument_newDictionary(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_document *pdf = js_touserdata(J, 0, "pdf_document"); + pdf_obj *obj; + fz_try(ctx) + obj = pdf_new_dict(ctx, pdf, 0); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, obj); +} + +static void ffi_PDFObject_get(js_State *J) +{ + pdf_obj *obj = js_touserdata(J, 0, "pdf_obj"); + const char *key = js_tostring(J, 1); + if (!ffi_pdf_obj_has(J, obj, key)) + js_pushundefined(J); +} + +static void ffi_PDFObject_put(js_State *J) +{ + pdf_obj *obj = js_touserdata(J, 0, "pdf_obj"); + const char *key = js_tostring(J, 1); + js_copy(J, 2); + ffi_pdf_obj_put(J, obj, key); +} + +static void ffi_PDFObject_delete(js_State *J) +{ + pdf_obj *obj = js_touserdata(J, 0, "pdf_obj"); + const char *key = js_tostring(J, 1); + ffi_pdf_obj_delete(J, obj, key); +} + +static void ffi_PDFObject_resolve(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_obj *obj = js_touserdata(J, 0, "pdf_obj"); + pdf_obj *res; + fz_try(ctx) + res = pdf_resolve_indirect(ctx, obj); + fz_catch(ctx) + rethrow(J); + ffi_pushobj(J, res); +} + +static void ffi_PDFObject_toString(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_obj *obj = js_touserdata(J, 0, "pdf_obj"); + int tight = js_isdefined(J, 1) ? js_toboolean(J, 1) : 1; + char *s; + int n; + + fz_try(ctx) { + n = pdf_sprint_obj(ctx, NULL, 0, obj, tight); + s = fz_malloc(ctx, n+1); + pdf_sprint_obj(ctx, s, n+1, obj, tight); + js_pushstring(J, s); + } fz_always(ctx) { + fz_free(ctx, s); + } fz_catch(ctx) { + rethrow(J); + } +} + +static void ffi_PDFObject_valueOf(js_State *J) +{ + fz_context *ctx = js_getcontext(J); + pdf_obj *obj = js_touserdata(J, 0, "pdf_obj"); + if (pdf_is_indirect(ctx, obj)) + js_pushstring(J, "R"); + else if (pdf_is_null(ctx, obj)) + js_pushnull(J); + else if (pdf_is_bool(ctx, obj)) + js_pushboolean(J, pdf_to_bool(ctx, obj)); + else if (pdf_is_int(ctx, obj)) + js_pushnumber(J, pdf_to_int(ctx, obj)); + else if (pdf_is_real(ctx, obj)) + js_pushnumber(J, pdf_to_real(ctx, obj)); + else if (pdf_is_string(ctx, obj)) + js_pushlstring(J, pdf_to_str_buf(ctx, obj), pdf_to_str_len(ctx, obj)); + else if (pdf_is_name(ctx, obj)) + js_pushstring(J, pdf_to_name(ctx, obj)); + else + js_copy(J, 0); +} + int murun_main(int argc, char **argv) { fz_context *ctx; @@ -1810,6 +2315,8 @@ int murun_main(int argc, char **argv) // Document.authenticatePassword // Document.lookupMetadata + jsB_propfun(J, "Document.toPDF", ffi_Document_toPDF, 0); + // Document.hasPermission jsB_propenum(J, "PERMISSION_PRINT", FZ_PERMISSION_PRINT); jsB_propenum(J, "PERMISSION_COPY", FZ_PERMISSION_COPY); @@ -1956,6 +2463,38 @@ int murun_main(int argc, char **argv) js_newobject(J); { + jsB_propfun(J, "PDFDocument.getTrailer", ffi_PDFDocument_getTrailer, 0); + jsB_propfun(J, "PDFDocument.addObject", ffi_PDFDocument_addObject, 1); + jsB_propfun(J, "PDFDocument.addStream", ffi_PDFDocument_addStream, 1); + jsB_propfun(J, "PDFDocument.save", ffi_PDFDocument_save, 2); + + jsB_propfun(J, "PDFDocument.newNull", ffi_PDFDocument_newNull, 0); + jsB_propfun(J, "PDFDocument.newBoolean", ffi_PDFDocument_newBoolean, 1); + jsB_propfun(J, "PDFDocument.newInteger", ffi_PDFDocument_newInteger, 1); + jsB_propfun(J, "PDFDocument.newReal", ffi_PDFDocument_newReal, 1); + jsB_propfun(J, "PDFDocument.newString", ffi_PDFDocument_newString, 1); + jsB_propfun(J, "PDFDocument.newName", ffi_PDFDocument_newName, 1); + jsB_propfun(J, "PDFDocument.newIndirect", ffi_PDFDocument_newIndirect, 2); + jsB_propfun(J, "PDFDocument.newArray", ffi_PDFDocument_newArray, 1); + jsB_propfun(J, "PDFDocument.newDictionary", ffi_PDFDocument_newDictionary, 1); + } + js_setregistry(J, "pdf_document"); + + js_newobject(J); + { + jsB_propfun(J, "PDFObject.get", ffi_PDFObject_get, 0); + jsB_propfun(J, "PDFObject.put", ffi_PDFObject_put, 0); + jsB_propfun(J, "PDFObject.delete", ffi_PDFObject_delete, 0); + jsB_propfun(J, "PDFObject.resolve", ffi_PDFObject_resolve, 0); + jsB_propfun(J, "PDFObject.toString", ffi_PDFObject_toString, 1); + jsB_propfun(J, "PDFObject.valueOf", ffi_PDFObject_valueOf, 0); + } + js_setregistry(J, "pdf_obj"); + + js_newobject(J); + { + jsB_propcon(J, "pdf_document", "PDFDocument", ffi_new_PDFDocument, 1); + jsB_propcon(J, "fz_document", "Document", ffi_new_Document, 1); jsB_propcon(J, "fz_pixmap", "Pixmap", ffi_new_Pixmap, 2); jsB_propcon(J, "fz_image", "Image", ffi_new_Image, 1); |