diff options
Diffstat (limited to 'src/string.c')
| -rw-r--r-- | src/string.c | 223 |
1 files changed, 118 insertions, 105 deletions
diff --git a/src/string.c b/src/string.c index e1e5dbda..6946ba09 100644 --- a/src/string.c +++ b/src/string.c @@ -25,39 +25,50 @@ void serd_free(void* ptr) { - free(ptr); + free(ptr); } const uint8_t* serd_strerror(SerdStatus status) { - switch (status) { - case SERD_SUCCESS: return (const uint8_t*)"Success"; - case SERD_FAILURE: return (const uint8_t*)"Non-fatal failure"; - case SERD_ERR_UNKNOWN: return (const uint8_t*)"Unknown error"; - case SERD_ERR_BAD_SYNTAX: return (const uint8_t*)"Invalid syntax"; - case SERD_ERR_BAD_ARG: return (const uint8_t*)"Invalid argument"; - case SERD_ERR_NOT_FOUND: return (const uint8_t*)"Not found"; - case SERD_ERR_ID_CLASH: return (const uint8_t*)"Blank node ID clash"; - case SERD_ERR_BAD_CURIE: return (const uint8_t*)"Invalid CURIE"; - case SERD_ERR_INTERNAL: return (const uint8_t*)"Internal error"; - default: break; - } - return (const uint8_t*)"Unknown error"; // never reached + switch (status) { + case SERD_SUCCESS: + return (const uint8_t*)"Success"; + case SERD_FAILURE: + return (const uint8_t*)"Non-fatal failure"; + case SERD_ERR_UNKNOWN: + return (const uint8_t*)"Unknown error"; + case SERD_ERR_BAD_SYNTAX: + return (const uint8_t*)"Invalid syntax"; + case SERD_ERR_BAD_ARG: + return (const uint8_t*)"Invalid argument"; + case SERD_ERR_NOT_FOUND: + return (const uint8_t*)"Not found"; + case SERD_ERR_ID_CLASH: + return (const uint8_t*)"Blank node ID clash"; + case SERD_ERR_BAD_CURIE: + return (const uint8_t*)"Invalid CURIE"; + case SERD_ERR_INTERNAL: + return (const uint8_t*)"Internal error"; + default: + break; + } + return (const uint8_t*)"Unknown error"; // never reached } static inline void serd_update_flags(const uint8_t c, SerdNodeFlags* const flags) { - switch (c) { - case '\r': case '\n': - *flags |= SERD_HAS_NEWLINE; - break; - case '"': - *flags |= SERD_HAS_QUOTE; - default: - break; - } + switch (c) { + case '\r': + case '\n': + *flags |= SERD_HAS_NEWLINE; + break; + case '"': + *flags |= SERD_HAS_QUOTE; + default: + break; + } } size_t @@ -66,101 +77,103 @@ serd_substrlen(const uint8_t* const str, size_t* const n_bytes, SerdNodeFlags* const flags) { - size_t n_chars = 0; - size_t i = 0; - SerdNodeFlags f = 0; - for (; i < len && str[i]; ++i) { - if ((str[i] & 0xC0) != 0x80) { // Start of new character - ++n_chars; - serd_update_flags(str[i], &f); - } - } - if (n_bytes) { - *n_bytes = i; - } - if (flags) { - *flags = f; - } - return n_chars; + size_t n_chars = 0; + size_t i = 0; + SerdNodeFlags f = 0; + for (; i < len && str[i]; ++i) { + if ((str[i] & 0xC0) != 0x80) { // Start of new character + ++n_chars; + serd_update_flags(str[i], &f); + } + } + if (n_bytes) { + *n_bytes = i; + } + if (flags) { + *flags = f; + } + return n_chars; } size_t serd_strlen(const uint8_t* str, size_t* n_bytes, SerdNodeFlags* flags) { - size_t n_chars = 0; - size_t i = 0; - SerdNodeFlags f = 0; - for (; str[i]; ++i) { - if ((str[i] & 0xC0) != 0x80) { // Start of new character - ++n_chars; - serd_update_flags(str[i], &f); - } - } - if (n_bytes) { - *n_bytes = i; - } - if (flags) { - *flags = f; - } - return n_chars; + size_t n_chars = 0; + size_t i = 0; + SerdNodeFlags f = 0; + for (; str[i]; ++i) { + if ((str[i] & 0xC0) != 0x80) { // Start of new character + ++n_chars; + serd_update_flags(str[i], &f); + } + } + if (n_bytes) { + *n_bytes = i; + } + if (flags) { + *flags = f; + } + return n_chars; } static inline double read_sign(const char** sptr) { - double sign = 1.0; - switch (**sptr) { - case '-': - sign = -1.0; - // fallthru - case '+': - ++(*sptr); - // fallthru - default: - return sign; - } + double sign = 1.0; + switch (**sptr) { + case '-': + sign = -1.0; + // fallthru + case '+': + ++(*sptr); + // fallthru + default: + return sign; + } } double serd_strtod(const char* str, char** endptr) { - double result = 0.0; - - // Point s at the first non-whitespace character - const char* s = str; - while (is_space(*s)) { ++s; } - - // Read leading sign if necessary - const double sign = read_sign(&s); - - // Parse integer part - for (; is_digit(*s); ++s) { - result = (result * 10.0) + (*s - '0'); - } - - // Parse fractional part - if (*s == '.') { - double denom = 10.0; - for (++s; is_digit(*s); ++s) { - result += (*s - '0') / denom; - denom *= 10.0; - } - } - - // Parse exponent - if (*s == 'e' || *s == 'E') { - ++s; - double expt = 0.0; - double expt_sign = read_sign(&s); - for (; is_digit(*s); ++s) { - expt = (expt * 10.0) + (*s - '0'); - } - result *= pow(10, expt * expt_sign); - } - - if (endptr) { - *endptr = (char*)s; - } - - return result * sign; + double result = 0.0; + + // Point s at the first non-whitespace character + const char* s = str; + while (is_space(*s)) { + ++s; + } + + // Read leading sign if necessary + const double sign = read_sign(&s); + + // Parse integer part + for (; is_digit(*s); ++s) { + result = (result * 10.0) + (*s - '0'); + } + + // Parse fractional part + if (*s == '.') { + double denom = 10.0; + for (++s; is_digit(*s); ++s) { + result += (*s - '0') / denom; + denom *= 10.0; + } + } + + // Parse exponent + if (*s == 'e' || *s == 'E') { + ++s; + double expt = 0.0; + double expt_sign = read_sign(&s); + for (; is_digit(*s); ++s) { + expt = (expt * 10.0) + (*s - '0'); + } + result *= pow(10, expt * expt_sign); + } + + if (endptr) { + *endptr = (char*)s; + } + + return result * sign; } |