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https://github.com/fluencelabs/redis
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redis cli argument splitting is general and is now moved into the sds.c lib
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@ -366,79 +366,15 @@ static char **convertToSds(int count, char** args) {
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return sds;
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}
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static char **splitArguments(char *line, int *argc) {
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char *p = line;
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char *current = NULL;
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char **vector = NULL;
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*argc = 0;
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while(1) {
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/* skip blanks */
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while(*p && isspace(*p)) p++;
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if (*p) {
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/* get a token */
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int inq=0; /* set to 1 if we are in "quotes" */
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int done = 0;
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if (current == NULL) current = sdsempty();
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while(!done) {
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if (inq) {
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if (*p == '\\' && *(p+1)) {
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char c;
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p++;
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switch(*p) {
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case 'n': c = '\n'; break;
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case 'r': c = '\r'; break;
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case 't': c = '\t'; break;
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case 'b': c = '\b'; break;
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case 'a': c = '\a'; break;
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default: c = *p; break;
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}
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current = sdscatlen(current,&c,1);
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} else if (*p == '"') {
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done = 1;
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} else {
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current = sdscatlen(current,p,1);
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}
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} else {
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switch(*p) {
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case ' ':
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case '\n':
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case '\r':
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case '\t':
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case '\0':
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done=1;
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break;
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case '"':
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inq=1;
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break;
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default:
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current = sdscatlen(current,p,1);
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break;
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}
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}
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if (*p) p++;
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}
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/* add the token to the vector */
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vector = zrealloc(vector,((*argc)+1)*sizeof(char*));
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vector[*argc] = current;
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(*argc)++;
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current = NULL;
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} else {
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return vector;
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}
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}
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}
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#define LINE_BUFLEN 4096
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static void repl() {
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int argc, j;
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char *line, **argv;
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char *line;
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sds *argv;
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while((line = linenoise("redis> ")) != NULL) {
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if (line[0] != '\0') {
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argv = splitArguments(line,&argc);
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argv = sdssplitargs(line,&argc);
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linenoiseHistoryAdd(line);
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if (config.historyfile) linenoiseHistorySave(config.historyfile);
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if (argc > 0) {
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77
src/sds.c
77
src/sds.c
@ -382,3 +382,80 @@ sds sdscatrepr(sds s, char *p, size_t len) {
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}
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return sdscatlen(s,"\"",1);
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}
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/* Split a line into arguments, where every argument can be in the
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* following programming-language REPL-alike form:
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*
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* foo bar "newline are supported\n" and "\xff\x00otherstuff"
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*
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* The number of arguments is stored into *argc, and an array
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* of sds is returned. The caller should sdsfree() all the returned
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* strings and finally zfree() the array itself.
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*
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* Note that sdscatrepr() is able to convert back a string into
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* a quoted string in the same format sdssplitargs() is able to parse.
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*/
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sds *sdssplitargs(char *line, int *argc) {
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char *p = line;
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char *current = NULL;
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char **vector = NULL;
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*argc = 0;
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while(1) {
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/* skip blanks */
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while(*p && isspace(*p)) p++;
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if (*p) {
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/* get a token */
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int inq=0; /* set to 1 if we are in "quotes" */
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int done = 0;
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if (current == NULL) current = sdsempty();
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while(!done) {
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if (inq) {
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if (*p == '\\' && *(p+1)) {
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char c;
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p++;
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switch(*p) {
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case 'n': c = '\n'; break;
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case 'r': c = '\r'; break;
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case 't': c = '\t'; break;
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case 'b': c = '\b'; break;
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case 'a': c = '\a'; break;
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default: c = *p; break;
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}
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current = sdscatlen(current,&c,1);
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} else if (*p == '"') {
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done = 1;
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} else {
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current = sdscatlen(current,p,1);
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}
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} else {
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switch(*p) {
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case ' ':
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case '\n':
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case '\r':
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case '\t':
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case '\0':
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done=1;
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break;
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case '"':
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inq=1;
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break;
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default:
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current = sdscatlen(current,p,1);
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break;
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}
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}
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if (*p) p++;
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}
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/* add the token to the vector */
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vector = zrealloc(vector,((*argc)+1)*sizeof(char*));
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vector[*argc] = current;
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(*argc)++;
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current = NULL;
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} else {
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return vector;
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}
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}
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}
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