e3c5bfd457* Remove references to global `qe_state` Add `QEmacsState *qs` field in context and object structures: - `QEditScreen`, `EditState` (renamed from `qe_state`), `QuitState` - `WinWindow` (win32.c), `X11State` (x11.c), `QEArgs` (cmd line arguments) - `CmdLineOptionDef::func_arg()`, `QEModeData` - move `QEKeyContext` to `QEmacsState` Pass `QEmacsState *qs` to configuration and state functions: - all `module_xxx_init` and static `xxx_init` functions - `QEDisplay::dpy_init()`, `qe_register_display()`, `screen_init()̀` - `load_input_methods()`, `unload_input_methods()` - `register_input_method()`, `find_input_method()` - `find_resource_file()`, `open_resource_file()` - `qe_find_current_binding()`, `qe_list_bindings()` - `qe_register_mode()`, `qe_find_mode()`, `qe_find_mode_filename()` - `qe_register_cmd_line_options()`, `set_user_option()`, `set_tty_charset()` - `qe_register_commands()`, `qe_register_bindings()`, `qe_find_cmd()` - `qe_register_completion()`, `qe_register_variables()` - `eb_register_data_type()`, `parse_command_line()` - `eb_trace_bytes()`, `qe_toggle_control_h()` (split from `do_toggle_control_h()`) - `unget_key()`, `qe_grab_keys()`, `qe_ungrab_keys()`, `qe_key_process()` - `eb_new()`, `eb_find()`, `eb_find_new()`, `eb_scratch()`, `eb_find_file()` - `new_shell_buffer()` `macro_add_key()`, `clear_macro(), `stop_macro()` - `check_window()`, `check_buffer()`, `qe_kill_buffer()`, `qe_get_history()` - `qe_register_charset()`, `find_charset()` Add error message handlers: - add `QEDisplay::dpy_error()` method - add `qe_cfg_error()`, use for all expression parsing errors - pass opaque pointer to `css_error()` - add `qe_put_error()` and `qe_dpy_error()` Add context argument: - always pass a non-null window pointer to `do_refresh()`, `new_help_buffer()` Rename functions: - `find_resource_file` -> `qe_find_resource_file` - `open_resource_file` -> `qe_open_resource_file` - `input_methods_init` -> `qe_input_methods_init` - `load_input_methods` -> `qe_load_input_methods` - `unload_input_methods` -> `qe_unload_input_methods` - `find_input_methods` -> `qe_find_input_methods` - `register_input_method` -> `qe_register_input_method` - `parse_command_line` -> `qe_parse_command_line` - `eb_trace_bytes` -> `qe_trace_bytes` - `eb_init` -> `qe_data_init` - `eb_count_buffers` -> `qe_count_buffers` - `eb_get_buffer_from_index` -> `qe_get_buffer_from_index` - `init_all_modules` -> `qe_init_all_modules` - `exit_all_modules` -> `qe_exit_all_modules` - `load_all_modules` -> `qe_load_all_modules` - `maybe_set_mark` -> `do_maybe_set_mark` - `unget_key` -> `qe_unget_key` - `minibuffer_init` -> `qe_minibuffer_init` - `edit_display` -> `qe_display` - `new_yank_buffer` -> `qe_new_yank_buffer` - `new_shell_buffer` -> `qe_new_shell_buffer` - `shell_find_mode` -> `qe_shell_find_mode` - `save_selection` -> `qe_save_selection` - `register_emulation_bindings` -> `qe_register_emulation_bindings` - `macro_add_key` -> `qe_macro_add_key` - `clear_macro` -> `qe_clear_macro` - `stop_macro` -> `qe_stop_macro` - `eb_format_message` -> `qe_format_message` - `screen_init` -> `qe_screen_init` - `charset_jis_init` -> `qe_charset_jis_init` - `charset_more_init` -> `qe_charset_more_init` - `check_window` -> `qe_check_window` - `check_buffer` -> `qe_check_buffer` - `eb_find_file` -> `qe_find_buffer_file` - `eb_find` -> `qe_find_buffer_name` - `eb_new` -> `qe_new_buffer` - `eb_find_new` -> `qe_new_buffer` with `BC_REUSE` - `eb_scratch` -> `qe_new_buffer` with `BC_REUSE | BC_CLEAR` - `find_charset` -> `qe_find_charset` Add asan, msan and ubsan targets Fix `qe_encode64` buffer length computation. Add `qe_new_shell_buffer` flags `SF_REUSE_BUFFER` and `SF_ERASE_BUFFER` Bumped version to 6.3.3 fix redundant typedef fix compilation errors
128 lines
4.8 KiB
C
128 lines
4.8 KiB
C
/*
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* Charset definitions and functions for QEmacs
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*
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* Copyright (c) 2000-2001 Fabrice Bellard.
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* Copyright (c) 2000-2024 Charlie Gordon.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef CHARSET_H
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#define CHARSET_H
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#include "util.h" /* CompleteState */
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/* maximum number of bytes for a character in all the supported charsets */
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#define MAX_CHAR_BYTES 6
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typedef struct CharsetDecodeState CharsetDecodeState;
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#if defined(__cplusplus)
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typedef struct QECharset QECharset;
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#else
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typedef const struct QECharset QECharset;
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#endif
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#ifndef U8_DEFINED
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typedef unsigned char u8;
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#define U8_DEFINED 1
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#endif
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struct QECharset {
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const char *name;
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const char *aliases;
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int (*probe_func)(QECharset *charset, const u8 *buf, int size);
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void (*decode_init)(CharsetDecodeState *s);
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char32_t (*decode_func)(CharsetDecodeState *s);
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/* return NULL if cannot encode. Currently no state since speed is
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not critical yet */
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u8 *(*encode_func)(QECharset *charset, u8 *buf, char32_t c);
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void (*get_pos_func)(CharsetDecodeState *s, const u8 *buf, int size,
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int *line_ptr, int *col_ptr);
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int (*get_chars_func)(CharsetDecodeState *s, const u8 *buf, int size);
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int (*goto_char_func)(CharsetDecodeState *s, const u8 *buf, int size, int pos);
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int (*goto_line_func)(CharsetDecodeState *s, const u8 *buf, int size, int lines);
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unsigned int char_size : 3;
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unsigned int variable_size : 1;
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unsigned int table_alloc : 1; /* true if CharsetDecodeState.table must be malloced */
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/* private data for some charsets */
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u8 eol_char; /* 0x0A for ASCII, 0x25 for EBCDIC */
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u8 min_char, max_char;
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const unsigned short *encode_table;
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const unsigned short *private_table;
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struct QECharset *next;
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};
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extern struct QECharset *first_charset;
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/* predefined charsets */
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extern struct QECharset charset_raw;
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extern struct QECharset charset_8859_1;
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extern struct QECharset charset_utf8;
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extern struct QECharset charset_vt100; /* used for the tty output */
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extern struct QECharset charset_mac_roman;
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extern struct QECharset charset_ucs2le, charset_ucs2be;
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extern struct QECharset charset_ucs4le, charset_ucs4be;
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typedef enum EOLType {
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EOL_UNIX = 0,
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EOL_DOS,
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EOL_MAC,
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} EOLType;
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struct CharsetDecodeState {
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/* 256 ushort table for hyper fast decoding */
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const unsigned short *table;
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int char_size;
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EOLType eol_type;
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int eol_char;
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const u8 *p;
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/* slower decode function for complicated cases */
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char32_t (*decode_func)(CharsetDecodeState *s);
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void (*get_pos_func)(CharsetDecodeState *s, const u8 *buf, int size,
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int *line_ptr, int *col_ptr);
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QECharset *charset;
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};
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#define INVALID_CHAR 0xfffd
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#define ESCAPE_CHAR 0xffff
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struct QEmacsState;
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void charset_init(struct QEmacsState *qs);
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int qe_charset_more_init(struct QEmacsState *qs);
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int qe_charset_jis_init(struct QEmacsState *qs);
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void qe_register_charset(struct QEmacsState *qs, struct QECharset *charset);
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void charset_complete(CompleteState *cp, CompleteFunc enumerate);
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QECharset *qe_find_charset(struct QEmacsState *qs, const char *str);
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void charset_decode_init(CharsetDecodeState *s, QECharset *charset,
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EOLType eol_type);
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void charset_decode_close(CharsetDecodeState *s);
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void charset_get_pos_8bit(CharsetDecodeState *s, const u8 *buf, int size,
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int *line_ptr, int *col_ptr);
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int charset_get_chars_8bit(CharsetDecodeState *s, const u8 *buf, int size);
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int charset_goto_char_8bit(CharsetDecodeState *s, const u8 *buf, int size, int pos);
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int charset_goto_line_8bit(CharsetDecodeState *s, const u8 *buf, int size, int nlines);
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QECharset *detect_charset(const u8 *buf, int size, EOLType *eol_typep);
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void decode_8bit_init(CharsetDecodeState *s);
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char32_t decode_8bit(CharsetDecodeState *s);
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u8 *encode_8bit(QECharset *charset, u8 *q, char32_t c);
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#endif /* CHARSET_H */
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