forked from bartvdbraak/blender
Comments for text editor functions. More to come tomorrow.
This commit is contained in:
Ian Thompson
parent
160609bce8
commit
8d73ea72a7
@ -136,7 +136,6 @@ static int check_identifier(char ch);
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static int check_whitespace(char ch);
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static int get_wrap_width(SpaceText *st);
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//static int get_wrap_points(SpaceText *st, char *line);
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static void get_suggest_prefix(Text *text, int offset);
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static void confirm_suggestion(Text *text, int skipleft);
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@ -238,6 +237,13 @@ static int render_string (SpaceText *st, char *in)
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return r;
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}
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/* Checks the specified source string for a Python built-in function name. This
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name must start at the beginning of the source string and must be followed by
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a non-identifier (see check_identifier(char)) or null character.
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If a built-in function is found, the length of the matching name is returned.
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Otherwise, -1 is returned.
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*/
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static int find_builtinfunc(char *string)
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{
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int a, i;
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@ -249,54 +255,51 @@ static int find_builtinfunc(char *string)
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for (a=0; a<30; a++) {
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i = 0;
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while (1) {
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/* If we hit the end of a keyword... (eg. "def") */
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if (builtinfuncs[a][i]=='\0') {
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/* If we still have identifier chars in the source (eg. "definate") */
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if (check_identifier(string[i]))
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i = -1;
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break;
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i = -1; /* No match */
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break; /* Next keyword if no match, otherwise we're done */
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/* If chars mismatch, move on to next keyword */
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} else if (string[i]!=builtinfuncs[a][i]) {
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i = -1;
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break;
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break; /* Break inner loop, start next keyword */
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}
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i++;
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}
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if (i>0) break;
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if (i>0) break; /* If we have a match, we're done */
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}
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return i;
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}
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/* Checks the specified source string for a Python special name. This name must
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start at the beginning of the source string and must be followed by a non-
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identifier (see check_identifier(char)) or null character.
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If a special name is found, the length of the matching name is returned.
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Otherwise, -1 is returned.
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*/
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static int find_specialvar(char *string)
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{
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int i = 0;
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/* Check for "def" */
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if (string[0]=='d' && string[1]=='e' && string[2]=='f')
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i = 3;
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/* Check for "class" */
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else if (string[0]=='c' && string[1]=='l' && string[2]=='a' && string[3]=='s' && string[4]=='s')
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i = 5;
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/* If next source char is an identifier (eg. 'i' in "definate") no match */
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if (i==0 || check_identifier(string[i]))
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return -1;
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return i;
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}
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#if 0 // not used
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static void print_format(SpaceText *st, TextLine *line) {
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int i, a;
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char *s, *f;
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s = line->line;
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f = line->format;
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for (a=0; *s; s++) {
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if (*s == '\t') {
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for (i=st->tabnumber-(a%st->tabnumber); i>0; i--)
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printf(" "), f++, a++;
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} else
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printf("%c", *s), f++, a++;
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}
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printf("\n%s [%#x]\n", line->format, (int) (f[strlen(f)+1]));
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}
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#endif // not used
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/* Ensures the format string for the given line is long enough, reallocating as needed */
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static int check_format_len(TextLine *line, unsigned int len)
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/* Ensures the format string for the given line is long enough, reallocating
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as needed. Allocation is done here, alone, to ensure consitency.
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*/
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static int check_format_len(TextLine *line, unsigned int len)
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{
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if (line->format) {
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if (strlen(line->format) < len) {
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@ -311,20 +314,21 @@ static int check_format_len(TextLine *line, unsigned int len)
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return 1;
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}
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/* Formats the specified line and if allowed and needed will move on to the
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* next line. The format string contains the following characters:
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* '_' Whitespace
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* '#' Comment text
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* '!' Punctuation and other symbols
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* 'n' Numerals
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* 'l' String letters
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* 'v' Special variables (class, def)
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* 'b' Built-in names (print, for, etc.)
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* 'q' Other text (identifiers, etc.)
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* It is terminated with a null-terminator '\0' followed by a continuation
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* flag indicating whether the line is part of a multi-line string.
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/* Formats the specified line. If do_next is set, the process will move on to
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the succeeding line if it is affected (eg. multiline strings). Format strings
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may contain any of the following characters:
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'_' Whitespace
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'#' Comment text
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'!' Punctuation and other symbols
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'n' Numerals
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'l' String letters
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'v' Special variables (class, def)
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'b' Built-in names (print, for, etc.)
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'q' Other text (identifiers, etc.)
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It is terminated with a null-terminator '\0' followed by a continuation
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flag indicating whether the line is part of a multi-line string.
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*/
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void txt_format_line(SpaceText *st, TextLine *line, int do_next)
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void txt_format_line(SpaceText *st, TextLine *line, int do_next)
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{
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char *str, *fmt, orig, cont, find, prev = ' ';
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int len, i;
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@ -435,6 +439,7 @@ void txt_format_line(SpaceText *st, TextLine *line, int do_next)
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}
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}
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/* Formats every line of the current text */
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void txt_format_text(SpaceText *st)
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{
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TextLine *linep;
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@ -445,7 +450,8 @@ void txt_format_text(SpaceText *st)
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txt_format_line(st, linep, 0);
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}
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static void format_draw_color(char formatchar)
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/* Sets the current drawing color based on the format character specified */
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static void format_draw_color(char formatchar)
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{
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switch (formatchar) {
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case '_': /* Whitespace */
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@ -682,7 +688,7 @@ static void set_cursor_to_pos (SpaceText *st, int x, int y, int sel)
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if(!sel) txt_pop_sel(text);
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}
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static int get_wrap_width(SpaceText *st)
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static int get_wrap_width(SpaceText *st)
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{
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int x, max;
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@ -691,35 +697,8 @@ static int get_wrap_width(SpaceText *st)
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return max>8 ? max : 8;
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}
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#if 0 // not used
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/* Returns the number of wrap points (or additional lines) in the given string */
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static int get_wrap_points(SpaceText *st, char *line)
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{
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int start, end, taboffs, i, max, count;
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if (!st->wordwrap) return 0;
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end= max= get_wrap_width(st);
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count= taboffs= start= 0;
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for (i=0; line[i]!='\0'; i++) {
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if (i-start+taboffs>=max) {
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count++;
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start= end;
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end += max;
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taboffs= 0;
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} else if (line[i]==' ' || line[i]=='\t' || line[i]=='-') {
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end = i+1;
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if (line[i]=='\t')
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taboffs += st->tabnumber-(i-start)%st->tabnumber;
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}
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}
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return count;
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}
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#endif // not used
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/* Sets (offl, offc) for transforming (line, curs) to its wrapped position */
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static void wrap_offset(SpaceText *st, TextLine *linein, int cursin, int *offl, int *offc)
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static void wrap_offset(SpaceText *st, TextLine *linein, int cursin, int *offl, int *offc)
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{
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Text *text;
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TextLine *linep;
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@ -797,7 +776,7 @@ static int get_char_pos(SpaceText *st, char *line, int cur)
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return a;
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}
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static void draw_markers(SpaceText *st)
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static void draw_markers(SpaceText *st)
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{
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Text *text= st->text;
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TextMarker *marker, *next;
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@ -869,7 +848,7 @@ static void draw_markers(SpaceText *st)
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}
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}
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static void draw_cursor(SpaceText *st)
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static void draw_cursor(SpaceText *st)
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{
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Text *text= st->text;
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int vcurl, vcurc, vsell, vselc, hidden=0;
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@ -1063,6 +1042,7 @@ static void draw_textscroll(SpaceText *st)
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uiEmboss(st->txtbar.xmin, st->txtbar.ymin, st->txtbar.xmax, st->txtbar.ymax, st->flags & ST_SCROLL_SELECT);
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}
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/* Moves the view vertically by the specified number of lines */
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static void screen_skip(SpaceText *st, int lines)
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{
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int last;
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@ -1080,6 +1060,12 @@ static void screen_skip(SpaceText *st, int lines)
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if (st->top<0) st->top= 0;
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}
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/* Moves the cursor vertically by the specified number of lines.
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If the destination line is shorter than the current cursor position, the
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cursor will be positioned at the end of this line.
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This is to replace screen_skip for PageUp/Down operations.
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*/
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static void cursor_skip(SpaceText *st, int lines, int sel)
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{
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Text *text;
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@ -1112,9 +1098,8 @@ static void cursor_skip(SpaceText *st, int lines, int sel)
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txt_undo_add_toop(st->text, sel?UNDO_STO:UNDO_CTO, oldl, oldc, txt_get_span(text->lines.first, *linep), *charp);
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}
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/*
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* mode 1 == view scroll
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* mode 2 == scrollbar
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/* Handles text scrolling via grabbing the view (MMB, mode 1) or with the
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scrollbar (mode 2)
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*/
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static void do_textscroll(SpaceText *st, int mode)
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{
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@ -1297,7 +1282,7 @@ static int do_suggest_select(SpaceText *st)
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return 1;
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}
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static void pop_suggest_list()
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static void pop_suggest_list()
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{
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SuggItem *item, *sel;
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int *top, i;
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@ -1474,7 +1459,7 @@ void draw_suggestion_list(SpaceText *st)
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}
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}
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static short check_blockhandler(SpaceText *st, short handler)
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static short check_blockhandler(SpaceText *st, short handler)
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{
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short a;
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@ -1483,10 +1468,12 @@ static short check_blockhandler(SpaceText *st, short handler)
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return 0;
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}
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/* Find and replace GUI panel */
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static void text_panel_find(short cntrl) // TEXT_HANDLER_FIND
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{
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uiBlock *block;
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/* Ensure that find and replace buffers have been allocated */
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if (!g_find_str || !g_replace_str) {
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g_find_str= MEM_mallocN(TXT_MAXFINDSTR+1, "find_string");
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g_replace_str= MEM_mallocN(TXT_MAXFINDSTR+1, "replace_string");
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@ -1512,7 +1499,7 @@ static void text_panel_find(short cntrl) // TEXT_HANDLER_FIND
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}
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/* mode: 0 find only, 1 replace/find, 2 mark all occurrences */
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void find_and_replace(SpaceText *st, short mode)
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void find_and_replace(SpaceText *st, short mode)
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{
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Text *start= NULL, *text= st->text;
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int flags, first= 1;
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@ -1574,7 +1561,7 @@ void find_and_replace(SpaceText *st, short mode)
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} while (mode==2);
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}
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static void do_find_buttons(val)
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static void do_find_buttons(val)
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{
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Text *text;
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SpaceText *st;
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@ -1886,7 +1873,7 @@ void unlink_text(Text *text)
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}
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}
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int jumptoline_interactive(SpaceText *st)
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int jumptoline_interactive(SpaceText *st)
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{
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short nlines= txt_get_span(st->text->lines.first, st->text->lines.last)+1;
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short tmp= txt_get_span(st->text->lines.first, st->text->curl)+1;
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@ -2020,7 +2007,7 @@ static char *winNewLine(char *buffer)
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return(output);
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}
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void txt_paste_clipboard(Text *text)
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void txt_paste_clipboard(Text *text)
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{
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char * buff;
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char *temp_buff;
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@ -2042,7 +2029,7 @@ void get_selection_buffer(Text *text)
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txt_insert_buf(text, buff);
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}
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void txt_copy_clipboard(Text *text)
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void txt_copy_clipboard(Text *text)
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{
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char *temp;
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@ -2094,7 +2081,7 @@ static void set_tabs(Text *text)
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st->currtab_set = setcurr_tab(text);
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}
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static void wrap_move_bol(SpaceText *st, short sel)
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static void wrap_move_bol(SpaceText *st, short sel)
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{
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Text *text= st->text;
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int offl, offc, lin;
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@ -2136,7 +2123,7 @@ static void wrap_move_eol(SpaceText *st, short sel)
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}
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}
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static void wrap_move_up(SpaceText *st, short sel)
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static void wrap_move_up(SpaceText *st, short sel)
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{
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Text *text= st->text;
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int offl, offl_1, offc, fromline, toline, c, target;
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@ -2181,7 +2168,7 @@ static void wrap_move_up(SpaceText *st, short sel)
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}
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}
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static void wrap_move_down(SpaceText *st, short sel)
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static void wrap_move_down(SpaceText *st, short sel)
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{
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Text *text= st->text;
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int offl, startoff, offc, fromline, toline, c, target;
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@ -2228,7 +2215,7 @@ static void wrap_move_down(SpaceText *st, short sel)
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}
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}
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static void get_suggest_prefix(Text *text, int offset)
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static void get_suggest_prefix(Text *text, int offset)
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{
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int i, len;
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char *line, tmp[256];
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@ -2251,7 +2238,7 @@ static void get_suggest_prefix(Text *text, int offset)
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texttool_suggest_prefix(tmp);
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}
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static void confirm_suggestion(Text *text, int skipleft)
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static void confirm_suggestion(Text *text, int skipleft)
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{
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SuggItem *sel;
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int i, over=0;
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@ -2285,7 +2272,7 @@ static void confirm_suggestion(Text *text, int skipleft)
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texttool_text_clear();
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}
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static short do_texttools(SpaceText *st, char ascii, unsigned short evnt, short val)
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static short do_texttools(SpaceText *st, char ascii, unsigned short evnt, short val)
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{
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int draw=0, tools=0, swallow=0, scroll=1;
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if (!texttool_text_is_active(st->text)) return 0;
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@ -2445,7 +2432,7 @@ static short do_texttools(SpaceText *st, char ascii, unsigned short evnt, short
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return swallow;
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}
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static short do_markers(SpaceText *st, char ascii, unsigned short evnt, short val)
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static short do_markers(SpaceText *st, char ascii, unsigned short evnt, short val)
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{
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Text *text;
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TextMarker *marker, *mrk, *nxt;
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@ -3348,14 +3335,14 @@ static int check_delim(char ch)
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return 0;
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}
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static int check_digit(char ch)
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static int check_digit(char ch)
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{
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if (ch < '0') return 0;
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if (ch <= '9') return 1;
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return 0;
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}
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static int check_identifier(char ch)
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static int check_identifier(char ch)
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{
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if (ch < '0') return 0;
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if (ch <= '9') return 1;
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@ -3366,7 +3353,7 @@ static int check_identifier(char ch)
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return 0;
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}
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static int check_whitespace(char ch)
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static int check_whitespace(char ch)
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{
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if (ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n')
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return 1;
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