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Initial v16 ODK Library

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This commit has the initial ODK library.  Partners may use this code
to begin integrating the ODK library into their platform.  The
functionality is not complete, but this should help partners get an
early start playing with build files.
This commit is contained in:
Fred Gylys-Colwell
2019-10-04 14:10:55 -07:00
parent ded4417dd4
commit 4de11d11e8
65 changed files with 4371 additions and 2004 deletions
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28
util/src/string_conversions.cpp
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@@ -8,6 +8,7 @@
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <vector>
@@ -24,12 +25,11 @@ static const char kBase64Codes[] =
// Gets the given (zero-indexed) bits [a, b) of |in|.
#define GET_BITS(in, a, b) GET_LOW_BITS((in) >> (a), (b) - (a))
// Calculates a/b using round-up division (only works for positive numbers).
#define CEIL_DIVIDE(a, b) ((((a) - 1) / (b)) + 1)
#define CEIL_DIVIDE(a, b) ((((a)-1) / (b)) + 1)
int DecodeBase64Char(char c) {
const char* it = strchr(kBase64Codes, c);
if (it == NULL)
return -1;
if (it == nullptr) return -1;
return it - kBase64Codes;
}
@@ -121,8 +121,8 @@ std::string Base64Encode(const std::vector<uint8_t>& bin_input) {
if (i % 3 == 2) {
result[out_index++] = kBase64Codes[GET_BITS(temp, 18, 24)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 12, 18)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 6, 12)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 0, 6)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 6, 12)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 0, 6)];
temp = 0;
}
}
@@ -135,7 +135,7 @@ std::string Base64Encode(const std::vector<uint8_t>& bin_input) {
} else if (bin_input.size() % 3 == 2) {
result[out_index++] = kBase64Codes[GET_BITS(temp, 18, 24)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 12, 18)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 6, 12)];
result[out_index++] = kBase64Codes[GET_BITS(temp, 6, 12)];
result[out_index++] = '=';
}
@@ -208,8 +208,8 @@ std::vector<uint8_t> Base64Decode(const std::string& b64_input) {
if (i % 4 == 3) {
result[out_index++] = GET_BITS(temp, 16, 24);
result[out_index++] = GET_BITS(temp, 8, 16);
result[out_index++] = GET_BITS(temp, 0, 8);
result[out_index++] = GET_BITS(temp, 8, 16);
result[out_index++] = GET_BITS(temp, 0, 8);
temp = 0;
}
}
@@ -223,7 +223,7 @@ std::vector<uint8_t> Base64Decode(const std::string& b64_input) {
break;
case 3:
result[out_index++] = GET_BITS(temp, 16, 24);
result[out_index++] = GET_BITS(temp, 8, 16);
result[out_index++] = GET_BITS(temp, 8, 16);
break;
}
result.resize(out_index);
@@ -298,4 +298,14 @@ std::string BytesToString(const uint8_t* bytes, unsigned size) {
return std::string(char_bytes, char_bytes + size);
}
// Encode unsigned integer into a big endian formatted string
std::string EncodeUint32(unsigned int u) {
std::string s;
s.append(1, (u >> 24) & 0xFF);
s.append(1, (u >> 16) & 0xFF);
s.append(1, (u >> 8) & 0xFF);
s.append(1, (u >> 0) & 0xFF);
return s;
}
} // namespace wvcdm