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author | David Robillard <d@drobilla.net> | 2018-05-12 18:03:13 +0200 |
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committer | David Robillard <d@drobilla.net> | 2019-04-13 19:15:32 +0200 |
commit | 29cfc326f8f64d8327597f2218f0caefeed4560f (patch) | |
tree | 3447ef781eb0221a34a1c7e6e71fe2d8421df7c4 /src | |
parent | e805c03be2bd1e9cee0ba5ce2c3f36f6fd913101 (diff) | |
download | serd-29cfc326f8f64d8327597f2218f0caefeed4560f.tar.gz serd-29cfc326f8f64d8327597f2218f0caefeed4560f.tar.bz2 serd-29cfc326f8f64d8327597f2218f0caefeed4560f.zip |
Set datatypes on integer, decimal, and base64 nodes
Diffstat (limited to 'src')
-rw-r--r-- | src/node.c | 91 |
1 files changed, 65 insertions, 26 deletions
@@ -40,6 +40,19 @@ static const size_t serd_node_align = sizeof(SerdNode); +typedef struct StaticNode { + SerdNode node; + char buf[sizeof(NS_XSD) + sizeof("base64Binary") + 1]; +} StaticNode; + +#define DEFINE_XSD_NODE(name) \ + static const StaticNode serd_xsd_ ## name = { \ + { sizeof(NS_XSD #name) - 1, 0, SERD_URI }, NS_XSD #name }; + +DEFINE_XSD_NODE(decimal) +DEFINE_XSD_NODE(integer) +DEFINE_XSD_NODE(base64Binary) + static SerdNode* serd_node_new_from_uri(const SerdURI* uri, const SerdURI* base); @@ -47,7 +60,21 @@ static size_t serd_node_pad_size(const size_t n_bytes) { const size_t pad = serd_node_align - (n_bytes + 2) % serd_node_align; - return n_bytes + 2 + pad; + const size_t size = n_bytes + 2 + pad; + assert(size % serd_node_align == 0); + return size; +} + +static const SerdNode* +serd_node_get_meta_c(const SerdNode* node) +{ + return node + 1 + (serd_node_pad_size(node->n_bytes) / serd_node_align); +} + +static SerdNode* +serd_node_get_meta(SerdNode* node) +{ + return node + 1 + (serd_node_pad_size(node->n_bytes) / serd_node_align); } static size_t @@ -391,21 +418,26 @@ serd_digits(double abs) } SerdNode* -serd_node_new_decimal(double d, unsigned frac_digits) +serd_node_new_decimal(double d, unsigned frac_digits, const SerdNode* datatype) { if (isnan(d) || isinf(d)) { return NULL; } + const SerdNode* type = datatype ? datatype : &serd_xsd_decimal.node; const double abs_d = fabs(d); const unsigned int_digits = serd_digits(abs_d); const size_t len = int_digits + frac_digits + 3; - SerdNode* const node = serd_node_malloc(len, 0, SERD_LITERAL); - char* const buf = serd_node_buffer(node); - const double int_part = floor(abs_d); + const size_t type_len = serd_node_total_size(type); + const size_t total_len = len + type_len; + + SerdNode* const node = + serd_node_malloc(total_len, SERD_HAS_DATATYPE, SERD_LITERAL); // Point s to decimal point location - char* s = buf + int_digits; + char* const buf = serd_node_buffer(node); + const double int_part = floor(abs_d); + char* s = buf + int_digits; if (d < 0.0) { *buf = '-'; ++s; @@ -443,19 +475,25 @@ serd_node_new_decimal(double d, unsigned frac_digits) } } + memcpy(serd_node_get_meta(node), type, type_len); return node; } SerdNode* -serd_node_new_integer(int64_t i) +serd_node_new_integer(int64_t i, const SerdNode* datatype) { - int64_t abs_i = (i < 0) ? -i : i; - const unsigned digits = serd_digits(abs_i); - SerdNode* node = serd_node_malloc(digits + 2, 0, SERD_LITERAL); - char* buf = serd_node_buffer(node); + const SerdNode* type = datatype ? datatype : &serd_xsd_integer.node; + int64_t abs_i = (i < 0) ? -i : i; + const unsigned digits = serd_digits(abs_i); + const size_t type_len = serd_node_total_size(type); + const size_t total_len = digits + 2 + type_len; + + SerdNode* node = + serd_node_malloc(total_len, SERD_HAS_DATATYPE, SERD_LITERAL); // Point s to the end - char* s = buf + digits - 1; + char* buf = serd_node_buffer(node); + char* s = buf + digits - 1; if (i < 0) { *buf = '-'; ++s; @@ -468,24 +506,34 @@ serd_node_new_integer(int64_t i) *s-- = '0' + (abs_i % 10); } while ((abs_i /= 10) > 0); + memcpy(serd_node_get_meta(node), type, type_len); return node; } SerdNode* -serd_node_new_blob(const void* buf, size_t size, bool wrap_lines) +serd_node_new_blob(const void* buf, + size_t size, + bool wrap_lines, + const SerdNode* datatype) { if (!buf || !size) { return NULL; } - const size_t len = serd_base64_get_length(size, wrap_lines); - SerdNode* const node = serd_node_malloc(len + 1, 0, SERD_LITERAL); + const SerdNode* type = datatype ? datatype : &serd_xsd_base64Binary.node; + const size_t len = serd_base64_get_length(size, wrap_lines); + const size_t type_len = serd_node_total_size(type); + const size_t total_len = len + 1 + type_len; + + SerdNode* const node = + serd_node_malloc(total_len, SERD_HAS_DATATYPE, SERD_LITERAL); if (serd_base64_encode(serd_node_buffer(node), buf, size, wrap_lines)) { node->flags |= SERD_HAS_NEWLINE; } node->n_bytes = len; + memcpy(serd_node_get_meta(node), type, type_len); return node; } @@ -507,15 +555,6 @@ serd_node_get_length(const SerdNode* node) return node ? node->n_bytes : 0; } -static const SerdNode* -serd_node_get_meta_node(const SerdNode* node) -{ - const size_t len = serd_node_pad_size(node->n_bytes); - assert((intptr_t)node % serd_node_align == 0); - assert(len % serd_node_align == 0); - return node + 1 + (len / serd_node_align); -} - const SerdNode* serd_node_get_datatype(const SerdNode* node) { @@ -523,7 +562,7 @@ serd_node_get_datatype(const SerdNode* node) return NULL; } - const SerdNode* const datatype = serd_node_get_meta_node(node); + const SerdNode* const datatype = serd_node_get_meta_c(node); assert(datatype->type == SERD_URI || datatype->type == SERD_CURIE); return datatype; } @@ -535,7 +574,7 @@ serd_node_get_language(const SerdNode* node) return NULL; } - const SerdNode* const lang = serd_node_get_meta_node(node); + const SerdNode* const lang = serd_node_get_meta_c(node); assert(lang->type == SERD_LITERAL); return lang; } |