////////////////////////////////////////////////////////////////////////////////
// Lexer::Type::tag
// ^ | <isWhiteSpace> [ +|- ] <isIdentifierStart> [ <isIdentifierNext> ]*
bool Lexer::isTag (std::string& token, Lexer::Type& type)
{
std::size_t marker = _cursor;
// Lookbehind: ^ | <isWhiteSpace>
if (marker > 0 &&
! isWhitespace (_text[marker - 1]))
return false;
if (_text[marker] == '+' ||
_text[marker] == '-')
{
++marker;
if (isIdentifierStart (_text[marker]))
{
utf8_next_char (_text, marker);
while (isIdentifierNext (_text[marker]))
utf8_next_char (_text, marker);
token = _text.substr (_cursor, marker - _cursor);
type = Lexer::Type::tag;
_cursor = marker;
return true;
}
}
return false;
}
void
gui_input_delete_previous_word ()
{
int length_deleted, size_deleted;
char *start, *string;
if (gui_current_window->buffer->input)
{
if (gui_current_window->buffer->input_buffer_pos > 0)
{
start = utf8_add_offset (gui_current_window->buffer->input_buffer,
gui_current_window->buffer->input_buffer_pos - 1);
string = start;
while (string && (string[0] == ' '))
{
string = utf8_prev_char (gui_current_window->buffer->input_buffer, string);
}
if (string)
{
while (string && (string[0] != ' '))
{
string = utf8_prev_char (gui_current_window->buffer->input_buffer, string);
}
if (string)
{
while (string && (string[0] == ' '))
{
string = utf8_prev_char (gui_current_window->buffer->input_buffer, string);
}
}
}
if (string)
string = utf8_next_char (utf8_next_char (string));
else
string = gui_current_window->buffer->input_buffer;
size_deleted = utf8_next_char (start) - string;
length_deleted = utf8_strnlen (string, size_deleted);
gui_input_clipboard_copy (string, size_deleted);
gui_input_move (gui_current_window->buffer, string, string + size_deleted, strlen (string + size_deleted));
gui_current_window->buffer->input_buffer_size -= size_deleted;
gui_current_window->buffer->input_buffer_length -= length_deleted;
gui_current_window->buffer->input_buffer[gui_current_window->buffer->input_buffer_size] = '\0';
gui_current_window->buffer->input_buffer_pos -= length_deleted;
gui_input_optimize_size (gui_current_window->buffer);
gui_completion_stop (gui_current_window->buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (gui_current_window->buffer);
}
}
}
////////////////////////////////////////////////////////////////////////////////
// Compares two strings with offsets, and returns the number bytes in common.
//
// left: wonderful
// l: ^
// right: prowonderbread
// r: ^
// returns: ^ 6
std::string::size_type Lexer::commonLength (
const std::string& left,
std::string::size_type l,
const std::string& right,
std::string::size_type r)
{
while (left[l] == right[r] &&
utf8_next_char (left, l) &&
utf8_next_char (right, r))
;
return l;
}
int
gui_chat_string_real_pos (const char *string, int pos)
{
const char *real_pos, *ptr_string;
int size_on_screen;
if (pos <= 0)
return 0;
real_pos = string;
ptr_string = string;
while (ptr_string && ptr_string[0] && (pos > 0))
{
ptr_string = gui_chat_string_next_char (NULL,
(unsigned char *)ptr_string,
0);
if (ptr_string)
{
size_on_screen = (((unsigned char)ptr_string[0]) < 32) ? 1 : utf8_char_size_screen (ptr_string);
if (size_on_screen > 0)
pos -= size_on_screen;
ptr_string = utf8_next_char (ptr_string);
real_pos = ptr_string;
}
}
return 0 + (real_pos - string);
}
const std::string obfuscateText (const std::string& input)
{
std::stringstream output;
std::string::size_type i = 0;
int character;
bool inside = false;
while ((character = utf8_next_char (input, i)))
{
if (inside)
{
output << (char) character;
if (character == 'm')
inside = false;
}
else
{
if (character == 033)
inside = true;
if (inside || character == ' ')
output << (char) character;
else
output << 'x';
}
}
return output.str ();
}
int
gui_chat_string_real_pos (const char *string, int pos, int use_screen_size)
{
const char *real_pos, *real_pos_prev, *ptr_string;
int size_on_screen;
if (pos <= 0)
return 0;
real_pos = string;
real_pos_prev = string;
ptr_string = string;
while (ptr_string && ptr_string[0] && (pos >= 0))
{
ptr_string = gui_chat_string_next_char (NULL, NULL,
(unsigned char *)ptr_string,
0, 0, 0);
if (ptr_string)
{
size_on_screen = gui_chat_char_size_screen (ptr_string);
if (size_on_screen > 0)
pos -= (use_screen_size) ? size_on_screen : 1;
ptr_string = utf8_next_char (ptr_string);
real_pos_prev = real_pos;
real_pos = ptr_string;
}
}
if (pos < 0)
real_pos = real_pos_prev;
return 0 + (real_pos - string);
}
int longestWord (const std::string& input)
{
int longest = 0;
int length = 0;
std::string::size_type i = 0;
int character;
while ((character = utf8_next_char (input, i)))
{
if (character == ' ')
{
if (length > longest)
longest = length;
length = 0;
}
else
length += mk_wcwidth (character);
}
if (length > longest)
longest = length;
return longest;
}
void
gui_input_delete_next_word ()
{
int size_deleted, length_deleted;
char *start, *string;
if (gui_current_window->buffer->input)
{
start = utf8_add_offset (gui_current_window->buffer->input_buffer,
gui_current_window->buffer->input_buffer_pos);
string = start;
length_deleted = 0;
while (string[0])
{
if ((string[0] == ' ') && (string > start))
break;
string = utf8_next_char (string);
length_deleted++;
}
size_deleted = string - start;
gui_input_clipboard_copy (start, size_deleted);
gui_input_move (gui_current_window->buffer, start, string, strlen (string));
gui_current_window->buffer->input_buffer_size -= size_deleted;
gui_current_window->buffer->input_buffer_length -= length_deleted;
gui_current_window->buffer->input_buffer[gui_current_window->buffer->input_buffer_size] = '\0';
gui_input_optimize_size (gui_current_window->buffer);
gui_completion_stop (gui_current_window->buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (gui_current_window->buffer);
}
}
void
gui_chat_get_word_info (struct t_gui_window *window,
const char *data,
int *word_start_offset, int *word_end_offset,
int *word_length_with_spaces, int *word_length)
{
const char *start_data;
char *next_char, *next_char2;
int leading_spaces, char_size_screen;
*word_start_offset = 0;
*word_end_offset = 0;
*word_length_with_spaces = 0;
*word_length = 0;
start_data = data;
leading_spaces = 1;
while (data && data[0])
{
next_char = gui_chat_string_next_char (window, NULL,
(unsigned char *)data, 0, 0, 0);
if (next_char)
{
next_char2 = utf8_next_char (next_char);
if (next_char2)
{
if (next_char[0] != ' ')
{
if (leading_spaces)
*word_start_offset = next_char - start_data;
leading_spaces = 0;
*word_end_offset = next_char2 - start_data - 1;
char_size_screen = gui_chat_char_size_screen (next_char);
(*word_length_with_spaces) += char_size_screen;
(*word_length) += char_size_screen;
}
else
{
if (leading_spaces)
{
(*word_length_with_spaces)++;
*word_end_offset = next_char2 - start_data - 1;
}
else
{
*word_end_offset = next_char - start_data - 1;
return;
}
}
data = next_char2;
}
}
else
{
*word_end_offset = data + strlen (data) - start_data - 1;
return;
}
}
}
STATIC void uni_print_json(void (*print)(void *env, const char *fmt, ...), void *env, const byte *str_data, uint str_len) {
print(env, "\"");
const byte *s = str_data, *top = str_data + str_len;
while (s < top) {
unichar ch;
ch = utf8_get_char(s);
s = utf8_next_char(s);
if (ch == '"' || ch == '\\' || ch == '/') {
print(env, "\\%c", ch);
} else if (32 <= ch && ch <= 126) {
print(env, "%c", ch);
} else if (*s == '\b') {
print(env, "\\b");
} else if (*s == '\f') {
print(env, "\\f");
} else if (*s == '\n') {
print(env, "\\n");
} else if (*s == '\r') {
print(env, "\\r");
} else if (*s == '\t') {
print(env, "\\t");
} else {
print(env, "\\u%04x", ch);
}
}
print(env, "\"");
}
void
gui_input_move_previous_word ()
{
char *pos;
if (gui_current_window->buffer->input)
{
if (gui_current_window->buffer->input_buffer_pos > 0)
{
pos = utf8_add_offset (gui_current_window->buffer->input_buffer,
gui_current_window->buffer->input_buffer_pos - 1);
while (pos && (pos[0] == ' '))
{
pos = utf8_prev_char (gui_current_window->buffer->input_buffer, pos);
}
if (pos)
{
while (pos && (pos[0] != ' '))
{
pos = utf8_prev_char (gui_current_window->buffer->input_buffer, pos);
}
if (pos)
pos = utf8_next_char (pos);
else
pos = gui_current_window->buffer->input_buffer;
gui_current_window->buffer->input_buffer_pos = utf8_pos (gui_current_window->buffer->input_buffer,
pos - gui_current_window->buffer->input_buffer);
}
else
gui_current_window->buffer->input_buffer_pos = 0;
gui_input_text_cursor_moved_signal ();
}
}
}
void
gui_input_delete_next_char ()
{
char *pos, *pos_next;
int char_size, size_to_move;
if (gui_current_window->buffer->input)
{
if (gui_current_window->buffer->input_buffer_pos <
gui_current_window->buffer->input_buffer_length)
{
pos = utf8_add_offset (gui_current_window->buffer->input_buffer,
gui_current_window->buffer->input_buffer_pos);
pos_next = utf8_next_char (pos);
char_size = pos_next - pos;
size_to_move = strlen (pos_next);
gui_input_move (gui_current_window->buffer, pos, pos_next, size_to_move);
gui_current_window->buffer->input_buffer_size -= char_size;
gui_current_window->buffer->input_buffer_length--;
gui_current_window->buffer->input_buffer[gui_current_window->buffer->input_buffer_size] = '\0';
gui_input_optimize_size (gui_current_window->buffer);
gui_completion_stop (gui_current_window->buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (gui_current_window->buffer);
}
}
}
int istalk(unsigned char* words) {
unsigned char* word = words;
while (*word) {
if (word[0] == '?' || word[0] == '/' || word[0] == 0x27 || word[0] == '+' ||
word[0] == ',') // || word[0] == ';' ) // 0x27 = '
;
else if (word[0] == 0xef && word[1] == 0xbc && word[2] == 0x9f) //「？」
;
else if (word[0] != 0xe3)
return 0;
else if (word[1] == 0x80 && (word[2] == 0x81 || word[2] == 0x82)) // 、。
;
else if (word[1] == 0x83 && word[2] == 0xbc) // ー
;
else if (word[1] == 0x81 && word[2] > 0x80) // あ～
;
else if (word[1] == 0x82 && word[2] < 0x94) // ～ん
;
else
return 0;
word = utf8_next_char(word);
}
return 1;
}
void replaceGrass(unsigned char* str) {
unsigned char buf[BUFSIZE];
unsigned char* str_p = buf;
unsigned char* next = NULL;
int prev_is_w = 0;
int len;
strcpy(buf, str);
while(*str_p) {
next = utf8_next_char(str_p);
len = next - str_p;
if (*str_p == 'w' || str_p[0] == 0xef && str_p[1] == 0xbd && str_p[2] == 0x97) {
if (prev_is_w < 2) {
memcpy(str, "わら", 6);
str += 6;
prev_is_w++;
}
}
else {
memcpy(str, str_p, len);
str += len;
prev_is_w = 0;
}
str_p = next;
}
*str = '\0';
}
////////////////////////////////////////////////////////////////////////////////
// Lexer::Type::url
// http [s] :// ...
bool Lexer::isURL (std::string& token, Lexer::Type& type)
{
std::size_t marker = _cursor;
if (_eos - _cursor > 9 && // length 'https://*'
(_text[marker + 0] == 'h' || _text[marker + 0] == 'H') &&
(_text[marker + 1] == 't' || _text[marker + 1] == 'T') &&
(_text[marker + 2] == 't' || _text[marker + 2] == 'T') &&
(_text[marker + 3] == 'p' || _text[marker + 3] == 'P'))
{
marker += 4;
if (_text[marker + 0] == 's' || _text[marker + 0] == 'S')
++marker;
if (_text[marker + 0] == ':' &&
_text[marker + 1] == '/' &&
_text[marker + 2] == '/')
{
marker += 3;
while (marker < _eos &&
! isWhitespace (_text[marker]))
utf8_next_char (_text, marker);
token = _text.substr (_cursor, marker - _cursor);
type = Lexer::Type::url;
_cursor = marker;
return true;
}
}
return false;
}
int longestLine (const std::string& input)
{
int longest = 0;
int length = 0;
std::string::size_type i = 0;
int character;
while ((character = utf8_next_char (input, i)))
{
if (character == '\n')
{
if (length > longest)
longest = length;
length = 0;
}
else
++length;
}
if (length > longest)
longest = length;
return longest;
}
int
utf8_char_size (const char *string)
{
if (!string)
return 0;
return utf8_next_char (string) - string;
}
int utf8_strlen(char const *p) {
int i;
if (!p) return 0;
for (i = 0; *p; i++) {
p = utf8_next_char(p);
}
return i;
}
char *utf8_offset_to_pointer(char const *str, int offset) {
if (offset < 0) {
return NULL;
}
for(;offset--;) {
str = utf8_next_char(str);
}
return (char *)str;
}
bool Lexer::isOneWord (const std::string& text)
{
std::string::size_type i = 0;
int character;
while ((character = utf8_next_char (text, i)))
if (Lexer::isWhitespace (character))
return false;
return true;
}
////////////////////////////////////////////////////////////////////////////////
// Lexer::Type::identifier
// <isIdentifierStart> [ <isIdentifierNext> ]*
bool Lexer::isIdentifier (std::string& token, Lexer::Type& type)
{
std::size_t marker = _cursor;
if (isIdentifierStart (_text[marker]))
{
utf8_next_char (_text, marker);
while (isIdentifierNext (_text[marker]))
utf8_next_char (_text, marker);
token = _text.substr (_cursor, marker - _cursor);
type = Lexer::Type::identifier;
_cursor = marker;
return true;
}
return false;
}
bool nontrivial (const std::string& input)
{
std::string::size_type i = 0;
int character;
while ((character = utf8_next_char (input, i)))
if (! Lexer::isWhitespace (character))
return true;
return false;
}
int utf8_pointer_to_offset(char const *str, char const * const pos) {
int ret = 0;
if (pos < str) {
ret = - utf8_pointer_to_offset (pos, str);
} else {
for(; str < pos; ret++) {
str = utf8_next_char(str);
}
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////
// Lexer::Type::path
// ( / <non-slash, non-whitespace> )+
bool Lexer::isPath (std::string& token, Lexer::Type& type)
{
std::size_t marker = _cursor;
int slashCount = 0;
while (1)
{
if (_text[marker] == '/')
{
++marker;
++slashCount;
}
else
break;
if (_text[marker] &&
! isWhitespace (_text[marker]) &&
_text[marker] != '/')
{
utf8_next_char (_text, marker);
while (_text[marker] &&
! isWhitespace (_text[marker]) &&
_text[marker] != '/')
utf8_next_char (_text, marker);
}
else
break;
}
if (marker > _cursor &&
slashCount > 3)
{
type = Lexer::Type::path;
token = _text.substr (_cursor, marker - _cursor);
_cursor = marker;
return true;
}
return false;
}
char *
utf8_add_offset (const char *string, int offset)
{
if (!string)
return NULL;
while (string && string[0] && (offset > 0))
{
string = utf8_next_char (string);
offset--;
}
return (char *)string;
}
TEST(Utf8, Move)
{
char *ptr;
/* previous/next char */
POINTERS_EQUAL(NULL, utf8_prev_char (NULL, NULL));
POINTERS_EQUAL(NULL, utf8_next_char (NULL));
ptr = utf8_next_char (noel_valid);
STRCMP_EQUAL("oël", ptr);
ptr = utf8_next_char (ptr);
STRCMP_EQUAL("ël", ptr);
ptr = utf8_next_char (ptr);
STRCMP_EQUAL("l", ptr);
ptr = utf8_prev_char (noel_valid, ptr);
ptr = utf8_prev_char (noel_valid, ptr);
ptr = utf8_prev_char (noel_valid, ptr);
STRCMP_EQUAL("noël", ptr);
POINTERS_EQUAL(noel_valid, ptr);
/* add offset */
ptr = utf8_add_offset (noel_valid, 0);
STRCMP_EQUAL(noel_valid, ptr);
ptr = utf8_add_offset (noel_valid, 1);
STRCMP_EQUAL("oël", ptr);
ptr = utf8_add_offset (noel_valid, 3);
STRCMP_EQUAL("l", ptr);
/* real position */
LONGS_EQUAL(0, utf8_real_pos (noel_valid, 0));
LONGS_EQUAL(1, utf8_real_pos (noel_valid, 1));
LONGS_EQUAL(2, utf8_real_pos (noel_valid, 2));
LONGS_EQUAL(4, utf8_real_pos (noel_valid, 3));
/* position */
LONGS_EQUAL(0, utf8_pos (noel_valid, 0));
LONGS_EQUAL(1, utf8_pos (noel_valid, 1));
LONGS_EQUAL(2, utf8_pos (noel_valid, 2));
LONGS_EQUAL(3, utf8_pos (noel_valid, 4));
}
void
gui_input_move_next_word ()
{
char *pos;
if (gui_current_window->buffer->input)
{
if (gui_current_window->buffer->input_buffer_pos <
gui_current_window->buffer->input_buffer_length)
{
pos = utf8_add_offset (gui_current_window->buffer->input_buffer,
gui_current_window->buffer->input_buffer_pos);
while (pos[0] && (pos[0] == ' '))
{
pos = utf8_next_char (pos);
}
if (pos[0])
{
while (pos[0] && (pos[0] != ' '))
{
pos = utf8_next_char (pos);
}
if (pos[0])
gui_current_window->buffer->input_buffer_pos =
utf8_pos (gui_current_window->buffer->input_buffer,
pos - gui_current_window->buffer->input_buffer);
else
gui_current_window->buffer->input_buffer_pos =
gui_current_window->buffer->input_buffer_length;
}
else
gui_current_window->buffer->input_buffer_pos =
utf8_pos (gui_current_window->buffer->input_buffer,
utf8_prev_char (gui_current_window->buffer->input_buffer, pos) - gui_current_window->buffer->input_buffer);
gui_input_text_cursor_moved_signal ();
}
}
}
static void
text_model_keysym(void *data,
struct text_model *text_model,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state,
uint32_t modifiers)
{
struct text_entry *entry = data;
const char *state_label = "release";
const char *key_label = "Unknown";
const char *new_char;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
state_label = "pressed";
}
if (key == XKB_KEY_Left ||
key == XKB_KEY_Right) {
if (state != WL_KEYBOARD_KEY_STATE_RELEASED)
return;
if (key == XKB_KEY_Left)
new_char = utf8_prev_char(entry->text, entry->text + entry->cursor);
else
new_char = utf8_next_char(entry->text + entry->cursor);
if (new_char != NULL) {
entry->cursor = new_char - entry->text;
if (!(modifiers & entry->keysym.shift_mask))
entry->anchor = entry->cursor;
widget_schedule_redraw(entry->widget);
}
return;
}
switch (key) {
case XKB_KEY_Tab:
key_label = "Tab";
break;
case XKB_KEY_KP_Enter:
case XKB_KEY_Return:
key_label = "Enter";
break;
}
fprintf(stderr, "%s key was %s.\n", key_label, state_label);
}
int
util_version_number (const char *version)
{
char **items, buf[64], *error;
const char *ptr_item;
int num_items, i, version_int[4], index_buf;
long number;
items = string_split (version, ".", 0, 4, &num_items);
for (i = 0; i < 4; i++)
{
version_int[i] = 0;
if (items && (i < num_items))
{
ptr_item = items[i];
index_buf = 0;
while (ptr_item && ptr_item[0] && (index_buf < (int)sizeof (buf) - 1))
{
if (ptr_item[0] == '-')
break;
if (isdigit ((unsigned char)ptr_item[0]))
{
buf[index_buf] = ptr_item[0];
index_buf++;
}
ptr_item = utf8_next_char (ptr_item);
}
buf[index_buf] = '\0';
if (buf[0])
{
error = NULL;
number = strtol (buf, &error, 10);
if (error && !error[0])
{
if (number < 0)
number = 0;
else if (number > 0xFF)
number = 0xFF;
version_int[i] = number;
}
}
}
}
if (items)
string_free_split (items);
return (version_int[0] << 24) | (version_int[1] << 16)
| (version_int[2] << 8) | version_int[3];
}
const char *
gui_chat_string_add_offset (const char *string, int offset)
{
while (string && string[0] && (offset > 0))
{
string = gui_chat_string_next_char (NULL, NULL,
(unsigned char *)string,
0, 0, 0);
if (string)
{
string = utf8_next_char (string);
offset--;
}
}
return string;
}