From 7953d861d83abd1a30ae2d620a8ba691bdf2ca1d Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 12 May 2018 12:47:18 +0200 Subject: Separate base64 implementation --- src/node.c | 40 ++++++---------------------------------- 1 file changed, 6 insertions(+), 34 deletions(-) (limited to 'src/node.c') diff --git a/src/node.c b/src/node.c index 7f124f13..36c2c8ca 100644 --- a/src/node.c +++ b/src/node.c @@ -16,6 +16,7 @@ #include "node.h" +#include "base64.h" #include "serd_internal.h" #include "string_utils.h" @@ -470,45 +471,16 @@ serd_node_new_integer(int64_t i) return node; } -/** - Base64 encoding table. - @see RFC3986 S3. -*/ -static const uint8_t b64_map[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -/** - Encode 3 raw bytes to 4 base64 characters. -*/ -static inline void -encode_chunk(uint8_t out[4], const uint8_t in[3], size_t n_in) -{ - out[0] = b64_map[in[0] >> 2]; - out[1] = b64_map[((in[0] & 0x03) << 4) | ((in[1] & 0xF0) >> 4)]; - out[2] = ((n_in > 1) - ? (b64_map[((in[1] & 0x0F) << 2) | ((in[2] & 0xC0) >> 6)]) - : (uint8_t)'='); - out[3] = ((n_in > 2) ? b64_map[in[2] & 0x3F] : (uint8_t)'='); -} - SerdNode* serd_node_new_blob(const void* buf, size_t size, bool wrap_lines) { - const size_t len = ((size + 2) / 3) * 4 + (wrap_lines ? (size / 57) : 0); - SerdNode* node = serd_node_malloc(len + 1, 0, SERD_LITERAL); - uint8_t* str = (uint8_t*)serd_node_buffer(node); - for (size_t i = 0, j = 0; i < size; i += 3, j += 4) { - uint8_t in[4] = { 0, 0, 0, 0 }; - size_t n_in = MIN(3, size - i); - memcpy(in, (const uint8_t*)buf + i, n_in); - - if (wrap_lines && i > 0 && (i % 57) == 0) { - str[j++] = '\n'; - node->flags |= SERD_HAS_NEWLINE; - } + const size_t len = serd_base64_get_length(size, wrap_lines); + SerdNode* const node = serd_node_malloc(len + 1, 0, SERD_LITERAL); - encode_chunk(str + j, in, n_in); + if (serd_base64_encode(serd_node_buffer(node), buf, size, wrap_lines)) { + node->flags |= SERD_HAS_NEWLINE; } + node->n_bytes = len + 1; return node; } -- cgit v1.2.1