Initial implementation (#4)
This commit is contained in:
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parent
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commit
ec2651207c
6 changed files with 281 additions and 25 deletions
209
Cargo.lock
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209
Cargo.lock
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@ -1,5 +1,46 @@
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"num-traits",
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"time",
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"winapi",
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]
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"cfg-if",
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"cfg-if 0.1.10",
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"wasm-bindgen",
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]
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[[package]]
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dependencies = [
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]
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dependencies = [
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"assert_approx_eq",
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"chrono",
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"error-chain",
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"geo-types",
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"xml-rs",
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]
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[[package]]
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name = "gpx-web-utils"
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version = "0.0.1"
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dependencies = [
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"console_error_panic_hook",
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"gpx",
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"js-sys",
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"wasm-bindgen",
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"wasm-bindgen-test",
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]
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@ -46,20 +145,61 @@ version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"num-traits",
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[[package]]
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name = "num-traits"
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dependencies = [
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"autocfg",
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[[package]]
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name = "object"
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dependencies = [
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"unicode-xid",
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]
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@ -73,6 +213,12 @@ dependencies = [
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"proc-macro2",
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]
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[[package]]
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-xid",
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]
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[[package]]
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name = "time"
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version = "0.1.44"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
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dependencies = [
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"libc",
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"wasi",
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"winapi",
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]
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[[package]]
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name = "unicode-xid"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
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[[package]]
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name = "wasi"
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version = "0.10.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
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[[package]]
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name = "wasm-bindgen"
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version = "0.2.68"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
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dependencies = [
|
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"cfg-if",
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"cfg-if 0.1.10",
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"wasm-bindgen-macro",
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]
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@ -127,7 +290,7 @@ version = "0.4.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b7866cab0aa01de1edf8b5d7936938a7e397ee50ce24119aef3e1eaa3b6171da"
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||||
dependencies = [
|
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"cfg-if",
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"cfg-if 0.1.10",
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"js-sys",
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"wasm-bindgen",
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"web-sys",
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@ -195,3 +358,31 @@ dependencies = [
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"js-sys",
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"wasm-bindgen",
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]
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[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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||||
version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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[[package]]
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name = "xml-rs"
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version = "0.8.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a"
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@ -15,6 +15,8 @@ default = ["console_error_panic_hook"]
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[dependencies]
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wasm-bindgen = "0.2.63"
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js-sys = "0.3.45"
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gpx = "0.8.1"
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console_error_panic_hook = { version = "0.1.6", optional = true }
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wasm-bindgen-test = "0.3.13"
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[profile.release]
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# Tell `rustc` to optimize for small code size.
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opt-level = "s"
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opt-level = 3
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lto = true
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14
src/lib.rs
14
src/lib.rs
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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extern "C" {
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fn alert(s: &str);
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}
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#[cfg(feature = "wee_alloc")]
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#[global_allocator]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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#[wasm_bindgen]
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pub fn greet() {
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pub fn merge(files: js_sys::Array) -> wasm_bindgen::JsValue {
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utils::set_panic_hook();
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let files: Vec<String> = utils::translate_js_to_rust(files);
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let merged: gpx::Gpx = utils::join_gpx_files(files);
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let out_vec: Vec<u8> = utils::write_gpx_to_buffer(merged);
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alert("Hello, gpx-web-utils!");
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JsValue::from_str(&String::from_utf8(out_vec).unwrap())
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}
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48
src/utils.rs
48
src/utils.rs
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pub fn set_panic_hook() {
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// When the `console_error_panic_hook` feature is enabled, we can call the
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// `set_panic_hook` function at least once during initialization, and then
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// we will get better error messages if our code ever panics.
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//
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// For more details see
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// https://github.com/rustwasm/console_error_panic_hook#readme
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#[cfg(feature = "console_error_panic_hook")]
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console_error_panic_hook::set_once();
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}
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pub fn translate_js_to_rust(files: js_sys::Array) -> Vec<String> {
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// https://github.com/rustwasm/wasm-bindgen/issues/111
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files.iter().map(|f| f.as_string().unwrap()).collect()
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}
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pub fn join_gpx_files(files: Vec<String>) -> gpx::Gpx {
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let mut merged: gpx::Gpx = Default::default();
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for file in files.iter() {
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let buffer = std::io::BufReader::new(file.as_bytes());
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let mut parsed_gpx: gpx::Gpx = gpx::read(buffer).expect("invalid gpx");
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merged.tracks.append(&mut parsed_gpx.tracks);
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merged.waypoints.append(&mut parsed_gpx.waypoints);
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}
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let link = gpx::Link {
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href: String::from("https://gpx.thermokar.st"),
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..Default::default()
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};
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let author = gpx::Person {
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link: Some(link),
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..Default::default()
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};
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let metadata = gpx::Metadata {
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name: Some(String::from("merged")),
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author: Some(author),
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..Default::default()
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};
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merged.metadata = Some(metadata);
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merged.version = gpx::GpxVersion::Gpx11;
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merged
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}
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pub fn write_gpx_to_buffer(gpx: gpx::Gpx) -> Vec<u8> {
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let mut buffer = Vec::new();
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gpx::write(&gpx, &mut buffer).unwrap();
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buffer
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}
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@ -6,6 +6,7 @@
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</head>
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<body>
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||||
<noscript>This page contains webassembly and javascript content, please enable javascript in your browser.</noscript>
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||||
<input id="input" type="file" multiple>
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<script src="./bootstrap.js"></script>
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</body>
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||||
</html>
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|
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28
www/index.js
28
www/index.js
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@ -1,3 +1,27 @@
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import * as wasm from "gpx-web-utils";
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import * as gpx from "gpx-web-utils";
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wasm.greet();
|
||||
const inputElement = document.getElementById("input");
|
||||
|
||||
inputElement.addEventListener("change", readFiles, false);
|
||||
|
||||
function readFiles() {
|
||||
if (inputElement.files.length < 2) { alert("open two or more files"); return; }
|
||||
|
||||
const files = Array.from(inputElement.files);
|
||||
const promises = files.map(f => f.text());
|
||||
|
||||
Promise.all(promises).then(gpxes => {
|
||||
const merged = gpx.merge(gpxes);
|
||||
writeOutput(merged);
|
||||
inputElement.value = "";
|
||||
});
|
||||
}
|
||||
|
||||
function writeOutput(file) {
|
||||
const blob = new Blob([file], {type: "text/gpx"});
|
||||
const a = document.createElement("a");
|
||||
a.href = URL.createObjectURL(blob);
|
||||
a.download = "merged.gpx";
|
||||
a.click();
|
||||
URL.revokeObjectURL(a.href);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue