static void txtfmt_lua_format_line(SpaceText *st, TextLine *line, const bool do_next)
{
FlattenString fs;
const char *str;
char *fmt;
char cont_orig, cont, find, prev = ' ';
int len, i;
/* Get continuation from previous line */
if (line->prev && line->prev->format != NULL) {
fmt = line->prev->format;
cont = fmt[strlen(fmt) + 1]; /* Just after the null-terminator */
BLI_assert((FMT_CONT_ALL & cont) == cont);
}
else {
cont = FMT_CONT_NOP;
}
/* Get original continuation from this line */
if (line->format != NULL) {
fmt = line->format;
cont_orig = fmt[strlen(fmt) + 1]; /* Just after the null-terminator */
BLI_assert((FMT_CONT_ALL & cont_orig) == cont_orig);
}
else {
cont_orig = 0xFF;
}
len = flatten_string(st, &fs, line->line);
str = fs.buf;
if (!text_check_format_len(line, len)) {
flatten_string_free(&fs);
return;
}
fmt = line->format;
while (*str) {
/* Handle escape sequences by skipping both \ and next char */
if (*str == '\\') {
*fmt = prev; fmt++; str++;
if (*str == '\0') break;
*fmt = prev; fmt++; str += BLI_str_utf8_size_safe(str);
continue;
}
/* Handle continuations */
else if (cont) {
/* Multi-line comments */
if (cont & FMT_CONT_COMMENT_C) {
if (*str == ']' && *(str + 1) == ']') {
*fmt = FMT_TYPE_COMMENT; fmt++; str++;
*fmt = FMT_TYPE_COMMENT;
cont = FMT_CONT_NOP;
}
else {
*fmt = FMT_TYPE_COMMENT;
}
/* Handle other comments */
}
else {
find = (cont & FMT_CONT_QUOTEDOUBLE) ? '"' : '\'';
if (*str == find) cont = 0;
*fmt = FMT_TYPE_STRING;
}
str += BLI_str_utf8_size_safe(str) - 1;
}
/* Not in a string... */
else {
/* Multi-line comments */
if (*str == '-' && *(str + 1) == '-' &&
*(str + 2) == '[' && *(str + 3) == '[')
{
cont = FMT_CONT_COMMENT_C;
*fmt = FMT_TYPE_COMMENT; fmt++; str++;
*fmt = FMT_TYPE_COMMENT; fmt++; str++;
*fmt = FMT_TYPE_COMMENT; fmt++; str++;
*fmt = FMT_TYPE_COMMENT;
}
/* Single line comment */
else if (*str == '-' && *(str + 1) == '-') {
text_format_fill(&str, &fmt, FMT_TYPE_COMMENT, len - (int)(fmt - line->format));
}
else if (*str == '"' || *str == '\'') {
/* Strings */
find = *str;
cont = (*str == '"') ? FMT_CONT_QUOTEDOUBLE : FMT_CONT_QUOTESINGLE;
*fmt = FMT_TYPE_STRING;
}
/* Whitespace (all ws. has been converted to spaces) */
else if (*str == ' ') {
*fmt = FMT_TYPE_WHITESPACE;
}
/* Numbers (digits not part of an identifier and periods followed by digits) */
else if ((prev != FMT_TYPE_DEFAULT && text_check_digit(*str)) ||
(*str == '.' && text_check_digit(*(str + 1))))
{
*fmt = FMT_TYPE_NUMERAL;
}
/* Booleans */
else if (prev != FMT_TYPE_DEFAULT && (i = txtfmt_lua_find_bool(str)) != -1) {
if (i > 0) {
text_format_fill_ascii(&str, &fmt, FMT_TYPE_NUMERAL, i);
}
else {
str += BLI_str_utf8_size_safe(str) - 1;
*fmt = FMT_TYPE_DEFAULT;
}
}
/* Punctuation */
else if ((*str != '#') && text_check_delim(*str)) {
*fmt = FMT_TYPE_SYMBOL;
}
/* Identifiers and other text (no previous ws. or delims. so text continues) */
else if (prev == FMT_TYPE_DEFAULT) {
str += BLI_str_utf8_size_safe(str) - 1;
*fmt = FMT_TYPE_DEFAULT;
}
/* Not ws, a digit, punct, or continuing text. Must be new, check for special words */
else {
/* Special vars(v) or built-in keywords(b) */
/* keep in sync with 'txtfmt_osl_format_identifier()' */
if ((i = txtfmt_lua_find_specialvar(str)) != -1) prev = FMT_TYPE_SPECIAL;
else if ((i = txtfmt_lua_find_keyword(str)) != -1) prev = FMT_TYPE_KEYWORD;
if (i > 0) {
text_format_fill_ascii(&str, &fmt, prev, i);
}
else {
str += BLI_str_utf8_size_safe(str) - 1;
*fmt = FMT_TYPE_DEFAULT;
}
}
}
prev = *fmt; fmt++; str++;
}
/* Terminate and add continuation char */
*fmt = '\0'; fmt++;
*fmt = cont;
/* If continuation has changed and we're allowed, process the next line */
if (cont != cont_orig && do_next && line->next) {
txtfmt_lua_format_line(st, line->next, do_next);
}
flatten_string_free(&fs);
}
static void txt_format_line(SpaceText *st, TextLine *line, int do_next)
{
FlattenString fs;
char *str, *fmt, orig, cont, find, prev = ' ';
int len, i;
/* Get continuation from previous line */
if(line->prev && line->prev->format != NULL) {
fmt= line->prev->format;
cont = fmt[strlen(fmt)+1]; /* Just after the null-terminator */
}
else cont = 0;
/* Get original continuation from this line */
if(line->format != NULL) {
fmt= line->format;
orig = fmt[strlen(fmt)+1]; /* Just after the null-terminator */
}
else orig = 0xFF;
flatten_string(st, &fs, line->line);
str = fs.buf;
len = strlen(str);
if(!text_check_format_len(line, len)) {
flatten_string_free(&fs);
return;
}
fmt = line->format;
while(*str) {
/* Handle escape sequences by skipping both \ and next char */
if(*str == '\\') {
*fmt = prev; fmt++; str++;
if(*str == '\0') break;
*fmt = prev; fmt++; str++;
continue;
}
/* Handle continuations */
else if(cont) {
/* Triple strings ("""...""" or '''...''') */
if(cont & TXT_TRISTR) {
find = (cont & TXT_DBLQUOTSTR) ? '"' : '\'';
if(*str==find && *(str+1)==find && *(str+2)==find) {
*fmt = 'l'; fmt++; str++;
*fmt = 'l'; fmt++; str++;
cont = 0;
}
/* Handle other strings */
}
else {
find = (cont & TXT_DBLQUOTSTR) ? '"' : '\'';
if(*str == find) cont = 0;
}
*fmt = 'l';
}
/* Not in a string... */
else {
/* Deal with comments first */
if(prev == '#' || *str == '#')
*fmt = '#';
/* Strings */
else if(*str == '"' || *str == '\'') {
find = *str;
cont = (*str== '"') ? TXT_DBLQUOTSTR : TXT_SNGQUOTSTR;
if(*(str+1) == find && *(str+2) == find) {
*fmt = 'l'; fmt++; str++;
*fmt = 'l'; fmt++; str++;
cont |= TXT_TRISTR;
}
*fmt = 'l';
}
/* Whitespace (all ws. has been converted to spaces) */
else if(*str == ' ')
*fmt = '_';
/* Numbers (digits not part of an identifier and periods followed by digits) */
else if((prev != 'q' && text_check_digit(*str)) || (*str == '.' && text_check_digit(*(str+1))))
*fmt = 'n';
/* Booleans */
else if(prev != 'q' && (i=find_bool(str)) != -1)
if(i>0) {
while(i>1) {
*fmt = 'n'; fmt++; str++;
i--;
}
*fmt = 'n';
}
else
*fmt = 'q';
/* Punctuation */
else if(text_check_delim(*str))
*fmt = '!';
/* Identifiers and other text (no previous ws. or delims. so text continues) */
else if(prev == 'q')
*fmt = 'q';
/* Not ws, a digit, punct, or continuing text. Must be new, check for special words */
else {
/* Special vars(v) or built-in keywords(b) */
if((i=find_specialvar(str)) != -1)
prev = 'v';
else if((i=find_builtinfunc(str)) != -1)
prev = 'b';
else if((i=find_decorator(str)) != -1)
prev = 'v'; /* could have a new color for this */
if(i>0) {
while(i>1) {
*fmt = prev; fmt++; str++;
i--;
}
*fmt = prev;
}
else
*fmt = 'q';
}
}
prev = *fmt;
fmt++;
str++;
}
/* Terminate and add continuation char */
*fmt = '\0'; fmt++;
*fmt = cont;
/* Debugging */
//print_format(st, line);
/* If continuation has changed and we're allowed, process the next line */
if(cont!=orig && do_next && line->next) {
txt_format_line(st, line->next, do_next);
}
flatten_string_free(&fs);
}