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[TextServer] Fix get_word_breaks and it uses.

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bruvzg 2023-07-05 12:49:16 +03:00
parent 04a530f91f
commit b5e3238109
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5 changed files with 192 additions and 113 deletions
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134
modules/text_server_fb/text_server_fb.cpp
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@ -4492,65 +4492,105 @@ String TextServerFallback::_string_to_title(const String &p_string, const String
PackedInt32Array TextServerFallback::_string_get_word_breaks(const String &p_string, const String &p_language, int64_t p_chars_per_line) const {
PackedInt32Array ret;
int line_start = 0;
int line_end = 0; // End of last word on current line.
int word_start = 0; // -1 if no word encountered. Leading spaces are part of a word.
int word_length = 0;
if (p_chars_per_line > 0) {
int line_start = 0;
int last_break = -1;
int line_length = 0;
for (int i = 0; i < p_string.length(); i++) {
const char32_t c = p_string[i];
for (int i = 0; i < p_string.length(); i++) {
const char32_t c = p_string[i];
if (is_linebreak(c)) {
// Force newline.
ret.push_back(line_start);
ret.push_back(i);
line_start = i + 1;
line_end = line_start;
word_start = line_start;
word_length = 0;
} else if (c == 0xfffc) {
continue;
} else if ((is_punct(c) && c != 0x005F) || is_underscore(c) || c == '\t' || is_whitespace(c)) {
// A whitespace ends current word.
if (word_length > 0) {
line_end = i - 1;
word_start = -1;
word_length = 0;
}
} else {
if (word_start == -1) {
word_start = i;
if (p_chars_per_line <= 0) {
bool is_lb = is_linebreak(c);
bool is_ws = is_whitespace(c);
bool is_p = (is_punct(c) && c != 0x005F) || is_underscore(c) || c == '\t' || c == 0xfffc;
if (is_lb) {
if (line_length > 0) {
ret.push_back(line_start);
ret.push_back(line_end + 1);
line_start = word_start;
line_end = line_start;
ret.push_back(i);
}
line_start = i;
line_length = 0;
last_break = -1;
continue;
} else if (is_ws || is_p) {
last_break = i;
}
word_length += 1;
if (p_chars_per_line > 0) {
if (word_length > p_chars_per_line) {
// Word too long: wrap before current character.
if (line_length == p_chars_per_line) {
if (last_break != -1) {
int last_break_w_spaces = last_break;
while (last_break > line_start && is_whitespace(p_string[last_break - 1])) {
last_break--;
}
if (line_start != last_break) {
ret.push_back(line_start);
ret.push_back(last_break);
}
while (last_break_w_spaces < p_string.length() && is_whitespace(p_string[last_break_w_spaces])) {
last_break_w_spaces++;
}
line_start = last_break_w_spaces;
if (last_break_w_spaces < i) {
line_length = i - last_break_w_spaces;
} else {
i = last_break_w_spaces;
line_length = 0;
}
} else {
ret.push_back(line_start);
ret.push_back(i);
line_start = i;
line_end = i;
word_start = i;
word_length = 1;
} else if (i - line_start + 1 > p_chars_per_line) {
// Line too long: wrap after the last word.
ret.push_back(line_start);
ret.push_back(line_end + 1);
line_start = word_start;
line_end = line_start;
line_length = 0;
}
last_break = -1;
}
line_length++;
}
if (line_length > 0) {
ret.push_back(line_start);
ret.push_back(p_string.length());
}
} else {
int word_start = 0; // -1 if no word encountered. Leading spaces are part of a word.
int word_length = 0;
for (int i = 0; i < p_string.length(); i++) {
const char32_t c = p_string[i];
bool is_lb = is_linebreak(c);
bool is_ws = is_whitespace(c);
bool is_p = (is_punct(c) && c != 0x005F) || is_underscore(c) || c == '\t' || c == 0xfffc;
if (word_start == -1) {
if (!is_lb && !is_ws && !is_p) {
word_start = i;
}
continue;
}
if (is_lb) {
if (word_start != -1 && word_length > 0) {
ret.push_back(word_start);
ret.push_back(i);
}
word_start = -1;
word_length = 0;
} else if (is_ws || is_p) {
if (word_start != -1 && word_length > 0) {
ret.push_back(word_start);
ret.push_back(i);
}
word_start = -1;
word_length = 0;
}
word_length++;
}
if (word_start != -1 && word_length > 0) {
ret.push_back(word_start);
ret.push_back(p_string.length());
}
}
if (line_start < p_string.length()) {
ret.push_back(line_start);
ret.push_back(p_string.length());
}
return ret;
}