diff options
Diffstat (limited to 'src/libString/s_parse.c')
-rw-r--r-- | src/libString/s_parse.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/libString/s_parse.c b/src/libString/s_parse.c new file mode 100644 index 00000000..376a41e2 --- /dev/null +++ b/src/libString/s_parse.c @@ -0,0 +1,40 @@ +#include <u.h> +#include <libc.h> +#include "libString.h" + +#define isspace(c) ((c)==' ' || (c)=='\t' || (c)=='\n') + +/* Get the next field from a String. The field is delimited by white space, + * single or double quotes. + */ +String * +s_parse(String *from, String *to) +{ + if (*from->ptr == '\0') + return 0; + if (to == 0) + to = s_new(); + if (*from->ptr == '\'') { + from->ptr++; + for (;*from->ptr != '\'' && *from->ptr != '\0'; from->ptr++) + s_putc(to, *from->ptr); + if (*from->ptr == '\'') + from->ptr++; + } else if (*from->ptr == '"') { + from->ptr++; + for (;*from->ptr != '"' && *from->ptr != '\0'; from->ptr++) + s_putc(to, *from->ptr); + if (*from->ptr == '"') + from->ptr++; + } else { + for (;!isspace(*from->ptr) && *from->ptr != '\0'; from->ptr++) + s_putc(to, *from->ptr); + } + s_terminate(to); + + /* crunch trailing white */ + while(isspace(*from->ptr)) + from->ptr++; + + return to; +} |