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Rearrange the order of the internal mkchstr_XXX functions
This commit is contained in:
John Zaitseff
parent
b5b211313e
commit
0a8e05f4d4
254
src/intf.c
254
src/intf.c
@ -176,6 +176,23 @@ static void txresize (void);
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#endif
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/*
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Function: mkchstr_parse - Parse the format string for mkchstr()
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Parameters: format - Format string as described for mkchstr()
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format_arg - Pointer to variable arguments array
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format_spec - Pointer to conversion specifiers array
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args - Variable argument list passed to mkchstr()
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Returns: int - 0 if OK, -1 if error (with errno set)
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This helper function parses the format string passed to mkchstr(),
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setting the format_arg and format_spec arrays appropriately.
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*/
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static int mkchstr_parse (const wchar_t *restrict format,
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struct argument *restrict format_arg,
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struct convspec *restrict format_spec,
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va_list args);
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/*
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Function: mkchstr_add - Add one character to the mkchstr() buffers
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Parameters: outbuf - Pointer to wchar_t pointer in which to store char
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@ -212,23 +229,6 @@ static int mkchstr_add (wchar_t *restrict *restrict outbuf,
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int widthbufsize, const wchar_t *restrict *restrict str);
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/*
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Function: mkchstr_parse - Parse the format string for mkchstr()
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Parameters: format - Format string as described for mkchstr()
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format_arg - Pointer to variable arguments array
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format_spec - Pointer to conversion specifiers array
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args - Variable argument list passed to mkchstr()
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Returns: int - 0 if OK, -1 if error (with errno set)
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This helper function parses the format string passed to mkchstr(),
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setting the format_arg and format_spec arrays appropriately.
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*/
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static int mkchstr_parse (const wchar_t *restrict format,
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struct argument *restrict format_arg,
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struct convspec *restrict format_spec,
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va_list args);
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/*
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Function: mkchstr_conv - Convert (wcbuf, attrbuf) to chbuf
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Parameters: chbuf - Pointer to chtype buffer in which to store string
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@ -674,116 +674,6 @@ int mkchstr (chtype *restrict chbuf, int chbufsize, chtype attr_norm,
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}
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/***********************************************************************/
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// mkchstr_add: Add a character to the mkchstr buffer
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int mkchstr_add (wchar_t *restrict *restrict outbuf,
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chtype *restrict *restrict attrbuf, int *restrict count,
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chtype attr, int maxlines, int maxwidth, int *restrict line,
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int *restrict width, wchar_t *restrict *restrict lastspc,
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chtype *restrict *restrict spcattr, int *restrict widthspc,
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int *restrict widthbuf, int widthbufsize,
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const wchar_t *restrict *restrict str)
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{
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int w, wspc;
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if (*line < 0) {
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// First character in buffer: start line 0
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*line = 0;
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}
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if (**str == '\n') {
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// Start a new line
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if (*line < maxlines - 1) {
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*(*outbuf)++ = '\n';
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*(*attrbuf)++ = 0;
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(*count)--;
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}
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widthbuf[*line] = *width;
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*width = 0;
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*lastspc = NULL;
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*spcattr = NULL;
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*widthspc = 0;
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(*line)++;
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(*str)++;
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} else {
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w = wcwidth(**str);
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if (w < 0) {
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// We don't support control or non-printable characters
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errno = EILSEQ;
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return -1;
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}
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if (*width + w > maxwidth) {
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// Current line would be too long to fit in **str
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if (! iswspace(**str) && *lastspc != NULL && *line < maxlines - 1) {
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// Break on the last space in this line
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wspc = wcwidth(**lastspc);
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**lastspc = '\n';
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**spcattr = 0;
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widthbuf[*line] = *widthspc;
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*width -= *widthspc + wspc;
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*lastspc = NULL;
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*spcattr = NULL;
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*widthspc = 0;
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(*line)++;
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} else {
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// Insert a new-line character (if not on last line)
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if (*line < maxlines - 1) {
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*(*outbuf)++ = '\n';
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*(*attrbuf)++ = 0;
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(*count)--;
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}
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widthbuf[*line] = *width;
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*width = 0;
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*lastspc = NULL;
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*spcattr = NULL;
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*widthspc = 0;
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(*line)++;
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/* Skip any following spaces. This assumes that no-one
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will ever have combining diacritical marks following a
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(line-breaking) space! */
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while (iswspace(**str)) {
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if (*(*str)++ == '\n') {
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break;
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}
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}
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}
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} else {
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// Insert an ordinary character into the output buffer
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if (iswspace(**str)) {
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*lastspc = *outbuf;
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*spcattr = *attrbuf;
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*widthspc = *width;
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}
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*(*outbuf)++ = **str;
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*(*attrbuf)++ = attr;
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(*count)--;
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*width += w;
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(*str)++;
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}
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}
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return 0;
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}
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/***********************************************************************/
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// mkchstr_parse: Parse the format string for mkchstr()
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@ -1063,6 +953,116 @@ int mkchstr_parse (const wchar_t *restrict format,
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}
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/***********************************************************************/
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// mkchstr_add: Add a character to the mkchstr buffer
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int mkchstr_add (wchar_t *restrict *restrict outbuf,
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chtype *restrict *restrict attrbuf, int *restrict count,
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chtype attr, int maxlines, int maxwidth, int *restrict line,
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int *restrict width, wchar_t *restrict *restrict lastspc,
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chtype *restrict *restrict spcattr, int *restrict widthspc,
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int *restrict widthbuf, int widthbufsize,
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const wchar_t *restrict *restrict str)
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{
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int w, wspc;
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if (*line < 0) {
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// First character in buffer: start line 0
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*line = 0;
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}
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if (**str == '\n') {
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// Start a new line
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if (*line < maxlines - 1) {
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*(*outbuf)++ = '\n';
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*(*attrbuf)++ = 0;
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(*count)--;
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}
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widthbuf[*line] = *width;
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*width = 0;
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*lastspc = NULL;
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*spcattr = NULL;
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*widthspc = 0;
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(*line)++;
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(*str)++;
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} else {
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w = wcwidth(**str);
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if (w < 0) {
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// We don't support control or non-printable characters
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errno = EILSEQ;
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return -1;
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}
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if (*width + w > maxwidth) {
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// Current line would be too long to fit in **str
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if (! iswspace(**str) && *lastspc != NULL && *line < maxlines - 1) {
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// Break on the last space in this line
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wspc = wcwidth(**lastspc);
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**lastspc = '\n';
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**spcattr = 0;
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widthbuf[*line] = *widthspc;
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*width -= *widthspc + wspc;
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*lastspc = NULL;
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*spcattr = NULL;
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*widthspc = 0;
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(*line)++;
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} else {
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// Insert a new-line character (if not on last line)
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if (*line < maxlines - 1) {
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*(*outbuf)++ = '\n';
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*(*attrbuf)++ = 0;
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(*count)--;
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}
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widthbuf[*line] = *width;
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*width = 0;
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*lastspc = NULL;
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*spcattr = NULL;
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*widthspc = 0;
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(*line)++;
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/* Skip any following spaces. This assumes that no-one
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will ever have combining diacritical marks following a
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(line-breaking) space! */
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while (iswspace(**str)) {
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if (*(*str)++ == '\n') {
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break;
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}
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}
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}
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} else {
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// Insert an ordinary character into the output buffer
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if (iswspace(**str)) {
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*lastspc = *outbuf;
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*spcattr = *attrbuf;
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*widthspc = *width;
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}
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*(*outbuf)++ = **str;
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*(*attrbuf)++ = attr;
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(*count)--;
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*width += w;
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(*str)++;
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}
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}
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return 0;
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}
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/***********************************************************************/
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// mkchstr_conv: Convert (wcbuf, attrbuf) to chbuf
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