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#include "track_sharing/kml_image_xml_stream.h" #include #include #include #include struct Image { std::string source; bool located = false; double lat = 0, lon = 0; }; struct Result { struct Coordinate { double lat, lon; bool gx, break_before; }; std::vector images; std::vector coordinates; size_t feature_start = 0; unsigned features = 0; track_sharing::KmlImageCallbacks callbacks() { return {this, [](void* p) { auto& r = *static_cast(p); r.feature_start = r.images.size(); ++r.features; }, [](void* p, std::string_view source) { auto& r = *static_cast(p); r.images.push_back({gps::kml::decodeImageSource(source)}); return true; }, [](void* p, bool located, double lat, double lon) { auto& r = *static_cast(p); for (size_t i = r.feature_start; i < r.images.size(); ++i) r.images[i].located = located, r.images[i].lat = lat, r.images[i].lon = lon; }, [](void* p, bool gx, double lat, double lon, double, bool, bool break_before) { static_cast(p)->coordinates.push_back({lat, lon, gx, break_before}); }}; } }; static bool parse(std::string_view xml, size_t chunk, Result& result) { char names[4096], source[4096]; track_sharing::KmlImageXmlStream parser(names, sizeof(names), source, sizeof(source), result.callbacks()); for (size_t i = 0; i < xml.size(); i += chunk) if (!parser.feed(reinterpret_cast(xml.data() + i), std::min(chunk, xml.size() - i))) return false; return parser.finish(); } static std::vector html(std::string_view text, size_t chunk, size_t capacity = 4096, bool stop = false) { char source[4096]; gps::kml::HtmlImageSourceStream parser(source, capacity); std::vector found; for (size_t i = 0; i < text.size(); i += chunk) parser.feed(text.substr(i, chunk), [&](std::string_view value) { found.push_back(gps::kml::decodeImageSource(value)); return !stop; }); return found; } int main() { const std::string input = "" "120.1234567,30.5,7 -->

]]>" "<img src="b&c.jpg">121 31 12" "]]>" ""; for (size_t chunk = 1; chunk <= input.size(); ++chunk) { Result r; assert(parse(input, chunk, r)); assert(r.features == 3 && r.images.size() == 4); assert(r.images[0].source == "a"山.jpg" && r.images[1].source == "two.jpg"); assert(r.images[0].located && std::abs(r.images[0].lat - 30.5) < 1e-8 && std::abs(r.images[0].lon - 120.1234567) < 1e-8); assert(r.images[1].located && r.images[1].lat == r.images[0].lat); assert(r.images[2].source == "b&c.jpg" && r.images[2].located && std::abs(r.images[2].lon - 121) < 1e-8); assert(!r.images[3].located); } const std::vector>> cases = { {"