diff options
Diffstat (limited to 'numtext-strip.c')
-rw-r--r-- | numtext-strip.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/numtext-strip.c b/numtext-strip.c new file mode 100644 index 0000000..b9b453e --- /dev/null +++ b/numtext-strip.c @@ -0,0 +1,161 @@ +#include "common.h" +#include <libsimple-arg.h> + +USAGE("-l language"); + + +static enum libnumtext_language lang; + + +static int +run(int argc, char *argv[], ssize_t (*callback)(char *, size_t, const char *, size_t)) +{ + char *line = NULL; + size_t size = 0; + ssize_t len; + int ret = 0; + char *outbuf = NULL; + size_t outbuf_size = 0; + size_t num_len; + + if (argc) { + for (; *argv; argv++) { + num_len = strlen(*argv); + len = callback(outbuf, outbuf_size, *argv, num_len); + if (len < 0) { + ret = 1; + continue; + } + if ((size_t)len > outbuf_size) { + outbuf_size = (size_t)len; + outbuf = realloc(outbuf, outbuf_size); + if (!outbuf) { + fprintf(stderr, "%s: realloc %zu: %s\n", argv0, outbuf_size, strerror(errno)); + exit(1); + } + } + len = callback(outbuf, outbuf_size, *argv, num_len); + if (len < 0) { + ret = 1; + continue; + } + printf("%s\n", outbuf); + } + } else { + for (;;) { + len = getline(&line, &size, stdin); + if (len == -1) + break; + if (len && line[len - 1] == '\n') + line[--len] = '\0'; + if (!len) + continue; + num_len = (size_t)len; + len = callback(outbuf, outbuf_size, line, num_len); + if (len < 0) { + ret = 1; + continue; + } + if ((size_t)len > outbuf_size) { + outbuf_size = (size_t)len; + outbuf = realloc(outbuf, outbuf_size); + if (!outbuf) { + fprintf(stderr, "%s: realloc %zu: %s\n", argv0, outbuf_size, strerror(errno)); + exit(1); + } + } + len = callback(outbuf, outbuf_size, line, num_len); + if (len < 0) { + ret = 1; + continue; + } + printf("%s\n", outbuf); + } + if (ferror(stdin)) { + fprintf(stderr, "%s: getline <stdin>: %s\n", argv0, strerror(errno)); + ret = 1; + } + free(line); + } + + if (fflush(stdout) || fclose(stdout)) { + fprintf(stderr, "%s: printf: %s\n", argv0, strerror(errno)); + ret = 1; + } + + free(outbuf); + return ret; +} + + +static int +get_language(const char *arg, enum libnumtext_language *langp, int *have_langp) +{ + static const struct language { + enum libnumtext_language value; + const char *code; + const char *name; + } languages[] = { + {LIBNUMTEXT_SWEDISH, "sv", "swedish"} + }; + + size_t i; + + if (*have_langp) + return 0; + *have_langp = 1; + + if (!strcmp(arg, "?")) { + for (i = 0; i < sizeof(languages) / sizeof(*languages); i++) { + printf("Languages:\n"); + printf("\t%s %s\n", languages[i].code, languages[i].name); + } + exit(0); + } else { + for (i = 0; i < sizeof(languages) / sizeof(*languages); i++) { + if (!strcasecmp(arg, languages[i].code) || !strcasecmp(arg, languages[i].name)) { + *langp = languages[i].value; + return 1; + } + } + fprintf(stderr, "%s: unrecognised language, use ? to list available languages: %s\n", argv0, arg); + exit(1); + } +} + + +static ssize_t +process(char *outbuf, size_t outbuf_size, const char *num, size_t num_len) +{ + ssize_t ret; + ret = libnumtext_remove_separators(outbuf, outbuf_size, num, num_len, lang); + if (ret < 0) { + fprintf(stderr, "%s: libnumtext_remove_separators %s: %s\n", argv0, num, strerror(errno)); + } else { + if ((size_t)ret < outbuf_size) + outbuf[ret] = '\0'; + ret += 1; + } + return ret; +} + + +int +main(int argc, char *argv[]) +{ + int have_lang = 0; + + ARGBEGIN { + case 'l': + if (!get_language(ARG(), &lang, &have_lang)) + usage(); + break; + default: + usage(); + } ARGEND; + + if (!have_lang) + usage(); + + return run(argc, argv, process); +} |