diff options
author | Luigi Scarso <luigi.scarso@gmail.com> | 2018-09-05 21:32:42 +0000 |
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committer | Luigi Scarso <luigi.scarso@gmail.com> | 2018-09-05 21:32:42 +0000 |
commit | fabd7dde48918eb14a9a3977b6437e70252159b7 (patch) | |
tree | 9977a31f2e6e54bc683fdc826087ad80eb306596 /Build/source/texk/web2c/luatexdir/luapplib/ppapi.h | |
parent | 1b8b254a766350291f8e7e19feaf6326ebabe633 (diff) |
pplib for luatex
git-svn-id: svn://tug.org/texlive/trunk@48592 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/luapplib/ppapi.h')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luapplib/ppapi.h | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luapplib/ppapi.h b/Build/source/texk/web2c/luatexdir/luapplib/ppapi.h new file mode 100644 index 00000000000..6d591ca05fb --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luapplib/ppapi.h @@ -0,0 +1,391 @@ + +#ifndef PP_API_H +#define PP_API_H + +#include <stdint.h> +#include <stddef.h> +#include <string.h> + +#include "ppconf.h" + +#define pplib_version "v0.97" +#define pplib_author "p.jackowski@gust.org.pl" + +/* types */ + +typedef int64_t ppint; +typedef size_t ppuint; // machine word + +typedef double ppnum; +typedef char * ppname; +typedef char * ppstring; + +typedef struct { + size_t size; + int flags; +} _ppname; + +typedef struct { + size_t size; + int flags; +} _ppstring; + +typedef struct ppobj ppobj; +typedef struct ppref ppref; + + +#if defined __arm__ || defined __ARM__ || defined ARM || defined __ARM || defined __arm || defined __ARM_ARCH ||defined __aarch64__ +typedef struct { + ppobj *data; + size_t size; + ppnum PPARRAY_ALIGNMENT; +} pparray; +#else +typedef struct { + ppobj *data; + size_t size; +} pparray; +#endif + + +#if defined __arm__ || defined __ARM__ || defined ARM || defined __ARM || defined __arm || defined __ARM_ARCH ||defined __aarch64__ +typedef struct { + ppobj *data; + ppname *keys; + size_t size; + ppnum PPDICT_ALIGNMENT; +} ppdict; + +#else +typedef struct { + ppobj *data; + ppname *keys; + size_t size; +} ppdict; +#endif + + +typedef struct { + ppdict *dict; + void *input, *I; + size_t offset; + size_t length; + ppstring cryptkey; + int flags; +} ppstream; + +#define PPSTREAM_COMPRESSED (1<<0) +#define PPSTREAM_ENCRYPTED_AES (1<<1) +#define PPSTREAM_ENCRYPTED_RC4 (1<<2) +#define PPSTREAM_ENCRYPTED (PPSTREAM_ENCRYPTED_AES|PPSTREAM_ENCRYPTED_RC4) +#define PPSTREAM_ENCRYPTED_OWN (1<<3) + +#define ppstream_compressed(stream) ((stream)->flags & PPSTREAM_COMPRESSED) +#define ppstream_encrypted(stream) ((stream)->flags & PPSTREAM_ENCRYPTED) + +typedef enum { + PPNONE = 0, + PPNULL, + PPBOOL, + PPINT, + PPNUM, + PPNAME, + PPSTRING, + PPARRAY, + PPDICT, + PPSTREAM, + PPREF +} ppobjtp; + +PPDEF extern const char * ppobj_kind[]; + +struct ppobj { + ppobjtp type; + union { + ppint integer; + ppnum number; + ppname name; + ppstring string; + pparray *array; + ppdict *dict; + ppstream *stream; + ppref *ref; + void *any; + }; +}; + +typedef struct ppxref ppxref; + +struct ppref { + ppobj object; + ppuint number, version; + size_t offset; + size_t length; + ppxref *xref; +}; + +typedef struct ppdoc ppdoc; + +/* object */ + +#define ppobj_get_null(o) ((o)->type == PPNULL ? 1 : 0) +#define ppobj_get_bool(o, v) ((o)->type == PPBOOL ? ((v = ((o)->integer != 0)), 1) : 0) +#define ppobj_get_int(o, v) ((o)->type == PPINT ? ((v = (o)->integer), 1) : 0) +#define ppobj_get_uint(o, v) ((o)->type == PPINT && (o)->integer >= 0 ? ((v = (ppuint)((o)->integer)), 1) : 0) +#define ppobj_get_num(o, v) ((o)->type == PPNUM ? ((v = (o)->number), 1) : (((o)->type == PPINT ? ((v = (ppnum)((o)->integer)), 1) : 0))) +#define ppobj_get_name(o) ((o)->type == PPNAME ? (o)->name : NULL) +#define ppobj_get_string(o) ((o)->type == PPSTRING ? (o)->string : NULL) +#define ppobj_get_array(o) ((o)->type == PPARRAY ? (o)->array : NULL) +#define ppobj_get_dict(o) ((o)->type == PPDICT ? (o)->dict : NULL) +#define ppobj_get_stream(o) ((o)->type == PPSTREAM ? (o)->stream : NULL) +#define ppobj_get_ref(o) ((o)->type == PPREF ? (o)->ref : NULL) + +#define ppobj_rget_obj(o) ((o)->type == PPREF ? ppref_obj((o)->ref) : o) +#define ppobj_rget_null(o) ((o)->type == PPNULL ? 1 : ((o)->type == PPREF ? ppobj_get_null(ppref_obj((o)->ref)) : 0)) +#define ppobj_rget_bool(o, v) ((o)->type == PPBOOL ? ((v = ((o)->integer != 0)), 1) : ((o)->type == PPREF ? ppobj_get_bool(ppref_obj((o)->ref), v) : 0)) +#define ppobj_rget_int(o, v) ((o)->type == PPINT ? ((v = (o)->integer), 1) : ((o)->type == PPREF ? ppobj_get_int(ppref_obj((o)->ref), v) : 0)) +#define ppobj_rget_uint(o, v) ((o)->type == PPINT && (o)->integer >= 0 ? ((v = (ppuint)((o)->integer)), 1) : ((o)->type == PPREF ? ppobj_get_uint(ppref_obj((o)->ref), v) : 0)) +#define ppobj_rget_num(o, v) ((o)->type == PPNUM ? ((v = (o)->number), 1) : (((o)->type == PPINT ? ((v = (ppnum)((o)->integer)), 1) : ((o)->type == PPREF ? ppobj_get_num(ppref_obj((o)->ref), v) : 0)))) +#define ppobj_rget_name(o) ((o)->type == PPNAME ? (o)->name : ((o)->type == PPREF ? ppobj_get_name(ppref_obj((o)->ref)) : NULL)) +#define ppobj_rget_string(o) ((o)->type == PPSTRING ? (o)->string : ((o)->type == PPREF ? ppobj_get_string(ppref_obj((o)->ref)) : NULL)) +#define ppobj_rget_array(o) ((o)->type == PPARRAY ? (o)->array : ((o)->type == PPREF ? ppobj_get_array(ppref_obj((o)->ref)) : NULL)) +#define ppobj_rget_dict(o) ((o)->type == PPDICT ? (o)->dict : ((o)->type == PPREF ? ppobj_get_dict(ppref_obj((o)->ref)) : NULL)) +#define ppobj_rget_stream(o) ((o)->type == PPSTREAM ? (o)->stream : ((o)->type == PPREF ? ppobj_get_stream(ppref_obj((o)->ref)) : NULL)) +#define ppobj_rget_ref(o) ((o)->type == PPREF ? (o)->ref : ((o)->type == PPREF ? ppobj_get_ref(ppref_obj((o)->ref)) : NULL)) + +#define ppobj_get_bool_value(o) ((o)->type == PPBOOL ? ((o)->integer != 0) : 0) +#define ppobj_get_int_value(o) ((o)->type == PPINT ? (o)->integer : 0) +#define ppobj_get_num_value(o) ((o)->type == PPNUM ? (o)->number : ((o)->type == PPINT ? (ppnum)((o)->integer) : 0.0)) + +/* name */ + +#define ppname_is(name, s) (memcmp(name, s, sizeof("" s) - 1) == 0) +#define ppname_eq(name, n) (memcmp(name, s, ppname_size(name)) == 0) + +#if defined __arm__ || defined __ARM__ || defined ARM || defined __ARM || defined __arm || defined __ARM_ARCH ||defined __aarch64__ +#define _ppname_ghost(name) (((const _ppname *)((void *)name)) - 1) +#else +#define _ppname_ghost(name) (((const _ppname *)(name)) - 1) +#endif + +#define ppname_size(name) (_ppname_ghost(name)->size) +#define ppname_exec(name) (_ppname_ghost(name)->flags & PPNAME_EXEC) + +#define PPNAME_ENCODED (1 << 0) +#define PPNAME_DECODED (1 << 1) +#define PPNAME_EXEC (1 << 1) + +PPAPI ppname ppname_decoded (ppname name); +PPAPI ppname ppname_encoded (ppname name); + +/* string */ + +#if defined __arm__ || defined __ARM__ || defined ARM || defined __ARM || defined __arm || defined __ARM_ARCH ||defined __aarch64__ +#define _ppstring_ghost(string) (((const _ppstring *)((void *)string)) - 1) +#else +#define _ppstring_ghost(string) (((const _ppstring *)(string)) - 1) +#endif + +#define ppstring_size(string) (_ppstring_ghost(string)->size) + +#define PPSTRING_ENCODED (1 << 0) +#define PPSTRING_DECODED (1 << 1) +//#define PPSTRING_EXEC (1 << 2) // postscript only +#define PPSTRING_PLAIN 0 +#define PPSTRING_BASE16 (1 << 3) +#define PPSTRING_BASE85 (1 << 4) +#define PPSTRING_UTF16BE (1 << 5) +#define PPSTRING_UTF16LE (1 << 6) + +#define ppstring_type(string) (_ppstring_ghost(string)->flags & (PPSTRING_BASE16|PPSTRING_BASE85)) +#define ppstring_hex(string) (_ppstring_ghost(string)->flags & PPSTRING_BASE16) +#define ppstring_utf(string) (_ppstring_ghost(string)->flags & (PPSTRING_UTF16BE|PPSTRING_UTF16LE)) + +PPAPI ppstring ppstring_decoded (ppstring string); +PPAPI ppstring ppstring_encoded (ppstring string); + +/* array */ + +#define pparray_size(array) ((array)->size) +#define pparray_at(array, index) ((array)->data + index) + +#define pparray_first(array, index, obj) ((index) = 0, (obj) = pparray_at(array, 0)) +#define pparray_next(index, obj) (++(index), ++(obj)) + +#define pparray_get(array, index) (index < (array)->size ? pparray_at(array, index) : NULL) + +PPAPI ppobj * pparray_get_obj (pparray *array, size_t index); +PPAPI int pparray_get_bool (pparray *array, size_t index, int *v); +PPAPI int pparray_get_int (pparray *array, size_t index, ppint *v); +PPAPI int pparray_get_uint (pparray *array, size_t index, ppuint *v); +PPAPI int pparray_get_num (pparray *array, size_t index, ppnum *v); +PPAPI ppname pparray_get_name (pparray *array, size_t index); +PPAPI ppstring pparray_get_string (pparray *array, size_t index); +PPAPI pparray * pparray_get_array (pparray *array, size_t index); +PPAPI ppdict * pparray_get_dict (pparray *array, size_t index); +//PPAPI ppstream * pparray_get_stream (pparray *array, size_t index); +PPAPI ppref * pparray_get_ref (pparray *array, size_t index); + +PPAPI ppobj * pparray_rget_obj (pparray *array, size_t index); +PPAPI int pparray_rget_bool (pparray *array, size_t index, int *v); +PPAPI int pparray_rget_int (pparray *array, size_t index, ppint *v); +PPAPI int pparray_rget_uint (pparray *array, size_t index, ppuint *v); +PPAPI int pparray_rget_num (pparray *array, size_t index, ppnum *v); +PPAPI ppname pparray_rget_name (pparray *array, size_t index); +PPAPI ppstring pparray_rget_string (pparray *array, size_t index); +PPAPI pparray * pparray_rget_array (pparray *array, size_t index); +PPAPI ppdict * pparray_rget_dict (pparray *array, size_t index); +PPAPI ppstream * pparray_rget_stream (pparray *array, size_t index); +PPAPI ppref * pparray_rget_ref (pparray *array, size_t index); + +/* dict */ + +#define ppdict_size(dict) ((dict)->size) +#define ppdict_at(dict, index) ((dict)->data + index) +#define ppdict_key(dict, index) ((dict)->keys[index]) + +PPAPI ppobj * ppdict_get_obj (ppdict *dict, const char *name); +PPAPI int ppdict_get_bool (ppdict *dict, const char *name, int *v); +PPAPI int ppdict_get_int (ppdict *dict, const char *name, ppint *v); +PPAPI int ppdict_get_uint (ppdict *dict, const char *name, ppuint *v); +PPAPI int ppdict_get_num (ppdict *dict, const char *name, ppnum *v); +PPAPI ppname ppdict_get_name (ppdict *dict, const char *name); +PPAPI ppstring ppdict_get_string (ppdict *dict, const char *name); +PPAPI pparray * ppdict_get_array (ppdict *dict, const char *name); +PPAPI ppdict * ppdict_get_dict (ppdict *dict, const char *name); +//PPAPI ppstream * ppdict_get_stream (ppdict *dict, const char *name); +PPAPI ppref * ppdict_get_ref (ppdict *dict, const char *name); + +PPAPI ppobj * ppdict_rget_obj (ppdict *dict, const char *name); +PPAPI int ppdict_rget_bool (ppdict *dict, const char *name, int *v); +PPAPI int ppdict_rget_int (ppdict *dict, const char *name, ppint *v); +PPAPI int ppdict_rget_uint (ppdict *dict, const char *name, ppuint *v); +PPAPI int ppdict_rget_num (ppdict *dict, const char *name, ppnum *v); +PPAPI ppname ppdict_rget_name (ppdict *dict, const char *name); +PPAPI ppstring ppdict_rget_string (ppdict *dict, const char *name); +PPAPI pparray * ppdict_rget_array (ppdict *dict, const char *name); +PPAPI ppdict * ppdict_rget_dict (ppdict *dict, const char *name); +PPAPI ppstream * ppdict_rget_stream (ppdict *dict, const char *name); +PPAPI ppref * ppdict_rget_ref (ppdict *dict, const char *name); + +#define ppdict_first(dict, pkey, obj) (pkey = (dict)->keys, obj = (dict)->data) +#define ppdict_next(pkey, obj) (++(pkey), ++(obj)) + +/* stream */ + +#define ppstream_dict(stream) ((stream)->dict) + +PPAPI uint8_t * ppstream_first (ppstream *stream, size_t *size, int decode); +PPAPI uint8_t * ppstream_next (ppstream *stream, size_t *size); +PPAPI uint8_t * ppstream_all (ppstream *stream, size_t *size, int decode); +PPAPI void ppstream_done (ppstream *stream); + +PPAPI void ppstream_init_buffers (void); +PPAPI void ppstream_free_buffers (void); + +/* ref */ + +#define ppref_obj(ref) (&(ref)->object) + +/* xref */ + +PPAPI ppxref * ppdoc_xref (ppdoc *pdf); +PPAPI ppxref * ppxref_prev (ppxref *xref); +PPAPI ppdict * ppxref_trailer (ppxref *xref); +PPAPI ppdict * ppxref_catalog (ppxref *xref); +PPAPI ppdict * ppxref_info (ppxref *xref); +PPAPI ppref * ppxref_pages (ppxref *xref); +PPAPI ppref * ppxref_find (ppxref *xref, ppuint refnumber); + +/* doc */ + +PPAPI ppdoc * ppdoc_load (const char *filename); +PPAPI ppdoc * ppdoc_mem (const void *data, size_t size); +PPAPI void ppdoc_free (ppdoc *pdf); + +#define ppdoc_trailer(pdf) ppxref_trailer(ppdoc_xref(pdf)) +#define ppdoc_catalog(pdf) ppxref_catalog(ppdoc_xref(pdf)) +#define ppdoc_info(pdf) ppxref_info(ppdoc_xref(pdf)) +#define ppdoc_pages(pdf) ppxref_pages(ppdoc_xref(pdf)) + +PPAPI ppuint ppdoc_page_count (ppdoc *pdf); +PPAPI ppref * ppdoc_page (ppdoc *pdf, ppuint index); +PPAPI ppref * ppdoc_first_page (ppdoc *pdf); +PPAPI ppref * ppdoc_next_page (ppdoc *pdf); + +PPAPI ppstream * ppcontents_first (ppdict *dict); +PPAPI ppstream * ppcontents_next (ppdict *dict, ppstream *stream); + +/* crypt */ + +typedef enum { + PPCRYPT_NONE = 0, + PPCRYPT_DONE = 1, + PPCRYPT_FAIL = -1, + PPCRYPT_PASS = -2 +} ppcrypt_status; + +PPAPI ppcrypt_status ppdoc_crypt_status (ppdoc *pdf); +PPAPI ppcrypt_status ppdoc_crypt_pass (ppdoc *pdf, const void *userpass, size_t userpasslength, const void *ownerpass, size_t ownerpasslength); + +/* permission flags, effect in Acrobat File -> Properties -> Security tab */ + +PPAPI ppint ppdoc_permissions (ppdoc *pdf); + +#define PPDOC_ALLOW_PRINT (1<<2) // printing +#define PPDOC_ALLOW_MODIFY (1<<3) // filling form fields, signing, creating template pages +#define PPDOC_ALLOW_COPY (1<<4) // copying, copying for accessibility +#define PPDOC_ALLOW_ANNOTS (1<<5) // filling form fields, copying, signing +#define PPDOC_ALLOW_EXTRACT (1<<9) // contents copying for accessibility +#define PPDOC_ALLOW_ASSEMBLY (1<<10) // (no effect) +#define PPDOC_ALLOW_PRINT_HIRES (1<<11) // (no effect) + +/* context */ + +typedef struct ppcontext ppcontext; + +PPAPI ppcontext * ppcontext_new (void); +PPAPI void ppcontext_done (ppcontext *context); +PPAPI void ppcontext_free (ppcontext *context); + +/* contents parser */ + +PPAPI ppobj * ppcontents_first_op (ppcontext *context, ppstream *stream, size_t *psize, ppname *pname); +PPAPI ppobj * ppcontents_next_op (ppcontext *context, ppstream *stream, size_t *psize, ppname *pname); +PPAPI ppobj * ppcontents_parse (ppcontext *context, ppstream *stream, size_t *psize); + +/* boxes and transforms */ + +typedef struct { + ppnum lx, ly, rx, ry; +} pprect; + +PPAPI pprect * pparray_to_rect (pparray *array, pprect *rect); +PPAPI pprect * ppdict_get_rect (ppdict *dict, const char *name, pprect *rect); +PPAPI pprect * ppdict_get_box (ppdict *dict, const char *name, pprect *rect); + +typedef struct { + ppnum xx, xy, yx, yy, x, y; +} ppmatrix; + +PPAPI ppmatrix * pparray_to_matrix (pparray *array, ppmatrix *matrix); +PPAPI ppmatrix * ppdict_get_matrix (ppdict *dict, const char *name, ppmatrix *matrix); + +/* logger */ + +typedef void (*pplogger_callback) (const char *message, void *alien); +PPAPI void pplog_callback (pplogger_callback logger, void *alien); +PPAPI int pplog_prefix (const char *prefix); + +/* version */ + +PPAPI const char * ppdoc_version_string (ppdoc *pdf); +PPAPI int ppdoc_version_number (ppdoc *pdf, int *minor); + +/* doc info */ + +PPAPI size_t ppdoc_file_size (ppdoc *pdf); +PPAPI ppuint ppdoc_objects (ppdoc *pdf); +PPAPI size_t ppdoc_memory (ppdoc *pdf, size_t *waste); + +#endif |