implement date parsing
This commit is contained in:
parent
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GPG key ID:
E9602264D639FF68
5 changed files with 366 additions and 10 deletions
314
Cargo.lock
generated
314
Cargo.lock
generated
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@ -2,13 +2,118 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "android-tzdata"
|
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version = "0.1.1"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
|
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|
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[[package]]
|
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name = "android_system_properties"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
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dependencies = [
|
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"libc",
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]
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[[package]]
|
||||
name = "autocfg"
|
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version = "1.1.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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name = "bumpalo"
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version = "3.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
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[[package]]
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name = "cc"
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version = "1.0.79"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "chrono"
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version = "0.4.26"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ec837a71355b28f6556dbd569b37b3f363091c0bd4b2e735674521b4c5fd9bc5"
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dependencies = [
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"android-tzdata",
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"iana-time-zone",
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"js-sys",
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"num-traits",
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"time",
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"wasm-bindgen",
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"winapi",
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]
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[[package]]
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name = "core-foundation-sys"
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version = "0.8.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
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[[package]]
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name = "iana-time-zone"
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version = "0.1.57"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2fad5b825842d2b38bd206f3e81d6957625fd7f0a361e345c30e01a0ae2dd613"
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dependencies = [
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"android_system_properties",
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"core-foundation-sys",
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"iana-time-zone-haiku",
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"js-sys",
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"wasm-bindgen",
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"windows",
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]
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[[package]]
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name = "iana-time-zone-haiku"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
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dependencies = [
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"cc",
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]
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[[package]]
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name = "imf-codec"
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version = "0.1.0"
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dependencies = [
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"chrono",
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"nom",
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]
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[[package]]
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name = "js-sys"
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version = "0.3.63"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2f37a4a5928311ac501dee68b3c7613a1037d0edb30c8e5427bd832d55d1b790"
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dependencies = [
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"wasm-bindgen",
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]
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[[package]]
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name = "libc"
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version = "0.2.146"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
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[[package]]
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name = "log"
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version = "0.4.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
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[[package]]
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name = "memchr"
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version = "2.5.0"
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@ -30,3 +135,212 @@ dependencies = [
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"memchr",
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"minimal-lexical",
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]
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[[package]]
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name = "num-traits"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
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dependencies = [
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"autocfg",
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]
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[[package]]
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name = "once_cell"
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version = "1.18.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
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[[package]]
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name = "proc-macro2"
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version = "1.0.60"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.28"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "syn"
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version = "2.0.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "time"
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version = "0.1.45"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
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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-ident"
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version = "1.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
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|
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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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|
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[[package]]
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name = "wasm-bindgen"
|
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version = "0.2.86"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "5bba0e8cb82ba49ff4e229459ff22a191bbe9a1cb3a341610c9c33efc27ddf73"
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dependencies = [
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"cfg-if",
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"wasm-bindgen-macro",
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]
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[[package]]
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name = "wasm-bindgen-backend"
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version = "0.2.86"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "19b04bc93f9d6bdee709f6bd2118f57dd6679cf1176a1af464fca3ab0d66d8fb"
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dependencies = [
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"bumpalo",
|
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"log",
|
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"once_cell",
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"proc-macro2",
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"quote",
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"syn",
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"wasm-bindgen-shared",
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]
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[[package]]
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name = "wasm-bindgen-macro"
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version = "0.2.86"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "14d6b024f1a526bb0234f52840389927257beb670610081360e5a03c5df9c258"
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dependencies = [
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"quote",
|
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"wasm-bindgen-macro-support",
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]
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[[package]]
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name = "wasm-bindgen-macro-support"
|
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version = "0.2.86"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e128beba882dd1eb6200e1dc92ae6c5dbaa4311aa7bb211ca035779e5efc39f8"
|
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dependencies = [
|
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"proc-macro2",
|
||||
"quote",
|
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"syn",
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"wasm-bindgen-backend",
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"wasm-bindgen-shared",
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]
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[[package]]
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name = "wasm-bindgen-shared"
|
||||
version = "0.2.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed9d5b4305409d1fc9482fee2d7f9bcbf24b3972bf59817ef757e23982242a93"
|
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|
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[[package]]
|
||||
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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|
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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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|
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[[package]]
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name = "windows"
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version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
|
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dependencies = [
|
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"windows-targets",
|
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]
|
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|
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[[package]]
|
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name = "windows-targets"
|
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version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
|
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dependencies = [
|
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"windows_aarch64_gnullvm",
|
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"windows_aarch64_msvc",
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"windows_i686_gnu",
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"windows_i686_msvc",
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"windows_x86_64_gnu",
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"windows_x86_64_gnullvm",
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"windows_x86_64_msvc",
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]
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[[package]]
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name = "windows_aarch64_gnullvm"
|
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version = "0.48.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
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|
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[[package]]
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name = "windows_aarch64_msvc"
|
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version = "0.48.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
|
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|
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[[package]]
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name = "windows_i686_gnu"
|
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version = "0.48.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
|
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|
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[[package]]
|
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name = "windows_i686_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
|
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|
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[[package]]
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name = "windows_x86_64_gnu"
|
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version = "0.48.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
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[[package]]
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name = "windows_x86_64_gnullvm"
|
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version = "0.48.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
|
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|
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[[package]]
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name = "windows_x86_64_msvc"
|
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version = "0.48.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
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@ -17,3 +17,4 @@ path = "src/parse.rs"
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[dependencies]
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nom = "7"
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chrono = "0.4"
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@ -1,3 +1,4 @@
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use chrono::DateTime;
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use nom::{
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IResult,
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bytes::complete::take_while1,
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@ -11,7 +12,7 @@ use nom::{
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};
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use crate::abnf::{fws, vchar_seq, perm_crlf};
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use crate::model::HeaderSection;
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use crate::model::{HeaderSection, HeaderDate};
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/// HEADERS
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@ -24,6 +25,11 @@ pub fn header_section(input: &str) -> IResult<&str, HeaderSection> {
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HeaderSection::default,
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|mut section, head| {
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match head {
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HeaderField::Date(d) => {
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//@FIXME only one date is allowed, what are we doing if multiple dates are
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//encountered? Currently, we override...
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section.date = d;
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}
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HeaderField::Subject(title) => {
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section.subject = Some(title);
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}
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@ -42,7 +48,7 @@ pub fn header_section(input: &str) -> IResult<&str, HeaderSection> {
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enum HeaderField<'a> {
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// 3.6.1. The Origination Date Field
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Date,
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Date(HeaderDate),
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// 3.6.2. Originator Fields
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From,
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@ -97,21 +103,31 @@ fn header_field(input: &str) -> IResult<&str, HeaderField> {
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let (input, _) = tuple((tag(":"), space0))(input)?;
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// Extract field body
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match field_name {
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"Date" => unimplemented!(),
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let (input, hfield) = match field_name {
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"Date" => {
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// @FIXME want to extract datetime our way in the future
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// to better handle obsolete/bad cases instead of crashing.
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let (input, raw_date) = unstructured(input)?;
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let date = match DateTime::parse_from_rfc2822(&raw_date) {
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Ok(chronodt) => HeaderDate::Parsed(chronodt),
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Err(e) => HeaderDate::Unknown(raw_date, e),
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};
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(input, HeaderField::Date(date))
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},
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//"From" => unimplemented!(),
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"Sender" => unimplemented!(),
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"Subject" => {
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let (input, body) = unstructured(input)?;
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let (input, _) = crlf(input)?;
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Ok((input, HeaderField::Subject(body)))
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(input, HeaderField::Subject(body))
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},
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_ => {
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let (input, body) = unstructured(input)?;
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(input, HeaderField::Optional(field_name, body))
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}
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};
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let (input, _) = crlf(input)?;
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Ok((input, HeaderField::Optional(field_name, body)))
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}
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}
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return Ok((input, hfield));
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}
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/// Unstructured header field body
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25
src/model.rs
25
src/model.rs
|
|
@ -1,8 +1,33 @@
|
|||
use std::collections::HashMap;
|
||||
use chrono::{DateTime,FixedOffset,ParseError};
|
||||
|
||||
#[derive(Debug, Default)]
|
||||
pub enum HeaderDate {
|
||||
Parsed(DateTime<FixedOffset>),
|
||||
Unknown(String, ParseError),
|
||||
#[default]
|
||||
None,
|
||||
}
|
||||
|
||||
#[derive(Debug, Default)]
|
||||
pub struct HeaderSection<'a> {
|
||||
pub subject: Option<String>,
|
||||
pub from: Vec<String>,
|
||||
pub date: HeaderDate,
|
||||
pub optional: HashMap<&'a str, String>,
|
||||
}
|
||||
|
||||
enum InvalidEmailErr {
|
||||
NoUsableDate,
|
||||
}
|
||||
|
||||
impl<'a> HeaderSection<'a> {
|
||||
fn is_valid(&self) -> Result<(), InvalidEmailErr> {
|
||||
match self.date {
|
||||
HeaderDate::Parsed(_) => (),
|
||||
_ => return Err(InvalidEmailErr::NoUsableDate),
|
||||
};
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
use imf_codec::headers;
|
||||
|
||||
fn main() {
|
||||
let header = "Subject: Hello\r\n World\r\nFrom: <quentin@deuxfleurs.fr>\r\n\r\nHello world";
|
||||
let header = "Date: Fri, 21 Nov 1997 09:55:06 -0600\r\nSubject: Hello\r\n World\r\nFrom: <quentin@deuxfleurs.fr>\r\n\r\nHello world";
|
||||
println!("{:?}", headers::header_section(header));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue