mirror of
https://github.com/JockeTF/fimfareader.git
synced 2024-11-30 08:57:59 +01:00
Use crossbeam for index parsing
This commit is contained in:
Joakim Soderlund
parent
a2d140f815
commit
eecd2c7356
3 changed files with 102 additions and 64 deletions
104
Cargo.lock
generated
104
Cargo.lock
generated
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@ -15,7 +15,7 @@ dependencies = [
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[[package]]
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name = "autocfg"
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version = "0.1.5"
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version = "0.1.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -25,7 +25,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "chrono"
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version = "0.4.7"
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version = "0.4.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -40,7 +40,7 @@ name = "chrono-english"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"scanlex 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -53,9 +53,17 @@ dependencies = [
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "crossbeam-channel"
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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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dependencies = [
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"crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "crossbeam-deque"
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version = "0.6.3"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"crossbeam-epoch 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -70,7 +78,7 @@ dependencies = [
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"arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"memoffset 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -89,7 +97,7 @@ version = "0.6.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -101,11 +109,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "fimfareader"
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version = "0.1.0"
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dependencies = [
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"chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"chrono-english 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"nom 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
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"zip 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -140,18 +149,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "lazy_static"
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version = "1.3.0"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "lexical-core"
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version = "0.4.3"
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version = "0.4.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"stackvector 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"stackvector 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -188,10 +197,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nom"
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version = "5.0.0"
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version = "5.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"lexical-core 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"lexical-core 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -201,7 +210,7 @@ name = "num-integer"
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version = "0.1.41"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"autocfg 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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version = "0.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"autocfg 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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name = "proc-macro2"
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version = "1.0.1"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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name = "quote"
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version = "1.0.1"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "rayon"
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version = "1.1.0"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"rayon-core 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"rayon-core 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "rayon-core"
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version = "1.5.0"
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version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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version = "1.0.99"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "stackvector"
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version = "1.0.6"
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version = "1.0.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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name = "syn"
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version = "1.0.2"
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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dependencies = [
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"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
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"redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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name = "winapi"
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version = "0.3.7"
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version = "0.3.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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|
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|
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|
||||
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@ -435,22 +445,22 @@ dependencies = [
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|
||||
"checksum nom 5.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e9761d859320e381010a4f7f8ed425f2c924de33ad121ace447367c713ad561b"
|
||||
"checksum nom 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c618b63422da4401283884e6668d39f819a106ef51f5f59b81add00075da35ca"
|
||||
"checksum num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
|
||||
"checksum num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba9a427cfca2be13aa6f6403b0b7e7368fe982bfa16fccc450ce74c46cd9b32"
|
||||
"checksum num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcef43580c035376c0705c42792c294b66974abbfd2789b511784023f71f3273"
|
||||
"checksum podio 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "780fb4b6698bbf9cf2444ea5d22411cef2953f0824b98f33cf454ec5615645bd"
|
||||
"checksum proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4c5c2380ae88876faae57698be9e9775e3544decad214599c3a6266cca6ac802"
|
||||
"checksum quote 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "49d77c41ca8767f2f41394c11a4eebccab83da25e7cc035387a3125f02be90a3"
|
||||
"checksum rayon 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a4b0186e22767d5b9738a05eab7c6ac90b15db17e5b5f9bd87976dd7d89a10a4"
|
||||
"checksum rayon-core 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ebbe0df8435ac0c397d467b6cad6d25543d06e8a019ef3f6af3c384597515bd2"
|
||||
"checksum proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e98a83a9f9b331f54b924e68a66acb1bb35cb01fb0a23645139967abefb697e8"
|
||||
"checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
|
||||
"checksum rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "83a27732a533a1be0a0035a111fe76db89ad312f6f0347004c220c57f209a123"
|
||||
"checksum rayon-core 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "98dcf634205083b17d0861252431eb2acbfb698ab7478a2d20de07954f47ec7b"
|
||||
"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
|
||||
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
|
||||
"checksum ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c92464b447c0ee8c4fb3824ecc8383b81717b9f1e74ba2e72540aef7b9f82997"
|
||||
|
|
@ -461,15 +471,15 @@ dependencies = [
|
|||
"checksum serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)" = "fec2851eb56d010dc9a21b89ca53ee75e6528bab60c11e89d38390904982da9f"
|
||||
"checksum serde_derive 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)" = "cb4dc18c61206b08dc98216c98faa0232f4337e1e1b8574551d5bad29ea1b425"
|
||||
"checksum serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)" = "051c49229f282f7c6f3813f8286cc1e3323e8051823fce42c7ea80fe13521704"
|
||||
"checksum stackvector 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "1c4725650978235083241fab0fdc8e694c3de37821524e7534a1a9061d1068af"
|
||||
"checksum stackvector 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "ce0878389d449018977823b0dfcdc717488e7b732f823f2ad8045fbcec4a448c"
|
||||
"checksum static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
|
||||
"checksum syn 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2ae5cd13590144ea968ba5d5520da7a4c08415861014399b5b349f74591c375f"
|
||||
"checksum syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "66850e97125af79138385e9b88339cbcd037e3f28ceab8c5ad98e64f0f1f80bf"
|
||||
"checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
|
||||
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
|
||||
"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
|
||||
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
|
||||
"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
|
||||
"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
|
||||
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
"checksum zip 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3c21bb410afa2bd823a047f5bda3adb62f51074ac7e06263b2c97ecdd47e9fc6"
|
||||
|
|
|
|||
|
|
@ -19,6 +19,9 @@ features = ["serde"]
|
|||
[dependencies.chrono-english]
|
||||
version = "*"
|
||||
|
||||
[dependencies.crossbeam-channel]
|
||||
version = "*"
|
||||
|
||||
[dependencies.hex]
|
||||
version = "*"
|
||||
|
||||
|
|
|
|||
|
|
@ -1,26 +1,35 @@
|
|||
//! Index parser.
|
||||
|
||||
use std::io::BufRead;
|
||||
use std::sync::mpsc::{channel, Receiver};
|
||||
use std::thread::spawn;
|
||||
|
||||
use serde::de::Error;
|
||||
use serde_json::error::Result;
|
||||
use serde_json::from_str;
|
||||
|
||||
use crossbeam_channel::{bounded, Receiver};
|
||||
|
||||
use super::story::Story;
|
||||
|
||||
const TRIM: &[char] = &['"', ',', ' ', '\t', '\n', '\r'];
|
||||
|
||||
pub fn parse(reader: impl BufRead) -> Result<Vec<Story>> {
|
||||
let (tx, rx) = channel();
|
||||
let mut wrappers = String::with_capacity(2);
|
||||
|
||||
let (tx, rx) = bounded(4096);
|
||||
let rx = spawn_parser(rx);
|
||||
let rx = spawn_reducer(rx);
|
||||
|
||||
for line in reader.lines() {
|
||||
let line = line.map_err(|e| match e {
|
||||
_ => Error::custom("Could not read line"),
|
||||
})?;
|
||||
|
||||
if line.len() == 1 {
|
||||
wrappers.push_str(&line);
|
||||
continue;
|
||||
}
|
||||
|
||||
if tx.send(line).is_ok() {
|
||||
continue;
|
||||
}
|
||||
|
|
@ -34,28 +43,48 @@ pub fn parse(reader: impl BufRead) -> Result<Vec<Story>> {
|
|||
|
||||
drop(tx);
|
||||
|
||||
if wrappers != "{}" {
|
||||
return Err(Error::custom("Invalid file structure"));
|
||||
}
|
||||
|
||||
rx.recv().map_err(|e| match e {
|
||||
_ => Error::custom("Missing parser result"),
|
||||
})?
|
||||
}
|
||||
|
||||
fn spawn_parser(stream: Receiver<String>) -> Receiver<Result<Vec<Story>>> {
|
||||
let (tx, rx) = channel();
|
||||
fn spawn_parser(ix: Receiver<String>) -> Receiver<Result<Story>> {
|
||||
let (tx, rx) = bounded(4096);
|
||||
|
||||
for _ in 0..2 {
|
||||
let stream = ix.clone();
|
||||
let result = tx.clone();
|
||||
|
||||
spawn(move || {
|
||||
while let Ok(line) = stream.recv() {
|
||||
match result.send(deserialize(line)) {
|
||||
Err(e) => return Err(e),
|
||||
Ok(()) => continue,
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
});
|
||||
}
|
||||
|
||||
rx
|
||||
}
|
||||
|
||||
fn spawn_reducer(ix: Receiver<Result<Story>>) -> Receiver<Result<Vec<Story>>> {
|
||||
let (tx, rx) = bounded(1024);
|
||||
|
||||
spawn(move || {
|
||||
let mut stories = Vec::with_capacity(250_000);
|
||||
let mut wrappers = String::with_capacity(2);
|
||||
|
||||
while let Ok(line) = stream.recv() {
|
||||
if line.len() == 1 {
|
||||
wrappers.push_str(&line);
|
||||
continue;
|
||||
}
|
||||
|
||||
match deserialize(line) {
|
||||
while let Ok(story) = ix.recv() {
|
||||
match story {
|
||||
Ok(story) => stories.push(story),
|
||||
Err(e) => return tx.send(Err(e)),
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
let count = stories.len();
|
||||
|
|
@ -64,10 +93,6 @@ fn spawn_parser(stream: Receiver<String>) -> Receiver<Result<Vec<Story>>> {
|
|||
stories.dedup_by_key(|story| story.id);
|
||||
stories.shrink_to_fit();
|
||||
|
||||
if wrappers != "{}" {
|
||||
return tx.send(Err(Error::custom("Invalid file structure")));
|
||||
}
|
||||
|
||||
if count != stories.len() {
|
||||
return tx.send(Err(Error::custom("Found duplicate story")));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue