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- /*
- * argv_nextword.c
- */
- #include <stddef.h>
- #include <ctype.h>
- #include "private.h"
- #include "lub/types.h"
- /*--------------------------------------------------------- */
- const char *lub_argv_nextword(const char *string,
- size_t * len, size_t * offset, bool_t * quoted)
- {
- const char *word;
- bool_t quote = BOOL_FALSE;
- *quoted = BOOL_FALSE;
- /* find the start of a word (not including an opening quote) */
- while (*string && isspace(*string)) {
- string++;
- (*offset)++;
- }
- if (*string == '\\') {
- string++;
- if (*string)
- string++;
- }
- /* is this the start of a quoted string ? */
- if (*string == '"') {
- quote = BOOL_TRUE;
- string++;
- }
- word = string;
- *len = 0;
- /* find the end of the word */
- while (*string) {
- if (*string == '\\') {
- string++;
- (*len)++;
- if (*string) {
- (*len)++;
- string++;
- }
- continue;
- }
- if ((BOOL_FALSE == quote) && isspace(*string)) {
- /* end of word */
- break;
- }
- if (*string == '"') {
- /* end of a quoted string */
- *quoted = BOOL_TRUE;
- break;
- }
- (*len)++;
- string++;
- }
- return word;
- }
- /*--------------------------------------------------------- */
- unsigned lub_argv_wordcount(const char *line)
- {
- const char *word;
- unsigned result = 0;
- size_t len = 0, offset = 0;
- bool_t quoted;
- for (word = lub_argv_nextword(line, &len, &offset, "ed);
- *word;
- word = lub_argv_nextword(word + len, &len, &offset, "ed)) {
- /* account for the terminating quotation mark */
- len += (BOOL_TRUE == quoted) ? 1 : 0;
- result++;
- }
- return result;
- }
- /*--------------------------------------------------------- */
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