80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "linenoise.h"
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void completion(const char *buf, linenoiseCompletions *lc) {
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if (buf[0] == 'h') {
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linenoiseAddCompletion(lc,"hello");
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linenoiseAddCompletion(lc,"hello there");
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}
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}
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char *hints(const char *buf, int *color, int *bold) {
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if (!strcasecmp(buf,"hello")) {
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*color = 35;
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*bold = 0;
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return " World";
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}
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return NULL;
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}
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int main(int argc, char **argv) {
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char *line;
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char *prgname = argv[0];
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/* Parse options, with --multiline we enable multi line editing. */
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while(argc > 1) {
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argc--;
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argv++;
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if (!strcmp(*argv,"--multiline")) {
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linenoiseSetMultiLine(1);
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printf("Multi-line mode enabled.\n");
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} else if (!strcmp(*argv,"--keycodes")) {
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linenoisePrintKeyCodes();
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exit(0);
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} else {
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fprintf(stderr, "Usage: %s [--multiline] [--keycodes]\n", prgname);
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exit(1);
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}
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}
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/* Set the completion callback. This will be called every time the
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* user uses the <tab> key. */
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linenoiseSetCompletionCallback(completion);
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linenoiseSetHintsCallback(hints);
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/* Load history from file. The history file is just a plain text file
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* where entries are separated by newlines. */
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linenoiseHistoryLoad("history.txt"); /* Load the history at startup */
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/* Now this is the main loop of the typical linenoise-based application.
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* The call to linenoise() will block as long as the user types something
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* and presses enter.
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*
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* The typed string is returned as a malloc() allocated string by
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* linenoise, so the user needs to free() it. */
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while((line = linenoise("hello> ")) != NULL) {
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/* Do something with the string. */
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if (line[0] != '\0' && line[0] != '/') {
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printf("echo: '%s'\n", line);
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linenoiseHistoryAdd(line); /* Add to the history. */
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linenoiseHistorySave("history.txt"); /* Save the history on disk. */
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} else if (!strncmp(line,"/historylen",11)) {
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/* The "/historylen" command will change the history len. */
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int len = atoi(line+11);
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linenoiseHistorySetMaxLen(len);
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} else if (!strncmp(line, "/mask", 5)) {
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linenoiseMaskModeEnable();
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} else if (!strncmp(line, "/unmask", 7)) {
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linenoiseMaskModeDisable();
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} else if (line[0] == '/') {
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printf("Unreconized command: %s\n", line);
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}
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free(line);
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}
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return 0;
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}
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