95 lines
2 KiB
C
Executable file
95 lines
2 KiB
C
Executable file
#!/usr/bin/tcc -run
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/* vim: set syn=c: */
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/*
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* stpaster intends to pass st(1) terminal content to dmenu(1) for rapid
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* selection and finaly in xclip(1) for pasting easily.
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*
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* Remove empty lines from stdin and output full‐lines, WORDS splited by
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* space/tab, words splited by work breakers.
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*
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* see st & externalpipe patch.
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* http://st.suckless.org/
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* http://st.suckless.org/patches/externalpipe
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*
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* is_word_break() comes from :
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* http://st.suckless.org/patches/configwordbreak
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*
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* Add to config.h shortcuts :
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* { MODKEY, 'u', externalpipe, {.v = "trim | stpaster | sort -u | dmenu -i -l 5 | removenl | xclip -in -selection c" } },
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*
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* memo :
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* 0x09 - horizontal tab
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* 0x0a - linefeed
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* 0x0b - vertical tab
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* 0x0c - form feed
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* 0x0d - carriage return
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* 0x20 - space
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**/
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#include <stdlib.h>
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#include <stdio.h>
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#define WORD_BREAK " ()<>[]\",/:'."
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static unsigned int is_word_break(char c);
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int
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main() {
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char *line = NULL;
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size_t len = 0;
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ssize_t nread = 0;
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unsigned int i = 0;
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unsigned int wasblank = 1;
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unsigned int emptyline = 1;
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while ((nread = getline(&line, &len, stdin)) != -1) {
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/* remove empty lines */
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emptyline = 1;
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for (i = 0; i < nread; ++i)
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if(line[i] != 0x20 && line[i] != 0x09 && line[i] != 0x0a)
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emptyline = 0;
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if (emptyline)
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continue;
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/* print each lines as is*/
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printf("%s", line);
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/* split each lines on space/tab */
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for (i = 0; i < nread; ++i)
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if (line[i] != 0x20 && line[i] != 0x09) {
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wasblank = 0;
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printf("%c", line[i]);
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} else if (!wasblank) {
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wasblank = 1;
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printf("\n");
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}
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wasblank = 1;
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/* split each lines on word breaker */
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for (i = 0; i < nread; ++i)
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if (!is_word_break(line[i])) {
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wasblank = 0;
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printf("%c", line[i]);
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} else if (!wasblank) {
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wasblank = 1;
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printf("\n");
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}
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}
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return 0;
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}
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unsigned int
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is_word_break(char c) {
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static char *word_break = WORD_BREAK;
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char *s = word_break;
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while (*s) {
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if (*s == c)
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return 1;
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s++;
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}
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return 0;
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}
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