diff options
Diffstat (limited to 'modules/text_server_fb/text_server_fb.cpp')
| -rw-r--r-- | modules/text_server_fb/text_server_fb.cpp | 132 |
1 files changed, 86 insertions, 46 deletions
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp index 697c3366c5..6cf6b236ed 100644 --- a/modules/text_server_fb/text_server_fb.cpp +++ b/modules/text_server_fb/text_server_fb.cpp @@ -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; + 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; - 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; } + 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; } |