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emscripten support

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This commit is contained in:
Konstantin Käfer
2014-01-07 16:52:23 +01:00
parent 044a7b5dcd
commit 528eaf475e
24 changed files with 406 additions and 94 deletions
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9
src/map/pbf.hpp
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@@ -21,7 +21,7 @@ struct pbf {
// inline pbf(const std::string& buffer);
inline bool next();
inline uint64_t varint();
template <typename T = uint32_t> inline T varint();
inline int64_t svarint();
inline std::string string();
inline float float32();
@@ -68,17 +68,18 @@ bool pbf::next()
}
uint64_t pbf::varint()
template <typename T>
T pbf::varint()
{
uint8_t byte = 0x80;
uint64_t result = 0;
T result = 0;
int bitpos;
for (bitpos = 0; bitpos < 70 && (byte & 0x80); bitpos += 7) {
if (data >= end) {
fprintf(stderr, "unterminated varint, unexpected end of buffer");
exit(1);
}
result |= ((uint64_t)(byte = *data) & 0x7F) << bitpos;
result |= ((T)(byte = *data) & 0x7F) << bitpos;
data++;
}

8
src/map/tile.cpp
View File

@@ -69,15 +69,15 @@ void tile::parseFeature(const uint8_t *data, uint32_t bytes) {
pbf feature(data, bytes);
while (feature.next()) {
if (feature.tag == 1) {
uint64_t id = feature.varint();
uint32_t id = feature.varint();
} else if (feature.tag == 2) {
const uint8_t *tag_end = feature.data + feature.varint();
while (feature.data < tag_end) {
uint32_t key = (uint32_t)feature.varint();
uint32_t value = (uint32_t)feature.varint();
uint32_t key = feature.varint();
uint32_t value = feature.varint();
}
} else if (feature.tag == 3) {
uint32_t type = (uint32_t)feature.varint();
uint32_t type = feature.varint();
} else if (feature.tag == 4) {
uint32_t bytes = (uint32_t)feature.varint();
loadGeometry(feature.data, bytes);