Add duckduckgo search engine

1 files changed, 310 insertions, 1 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 3d8f148..e87755a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -114,6 +114,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
+name = "byteorder"
+version = "1.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+
+[[package]]
 name = "bytes"
 version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -315,6 +321,33 @@ dependencies = [
 ]
 
 [[package]]
+name = "cssparser"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "754b69d351cdc2d8ee09ae203db831e005560fc6030da058f86ad60c92a9cb0a"
+dependencies = [
+ "cssparser-macros",
+ "dtoa-short",
+ "itoa",
+ "matches",
+ "phf",
+ "proc-macro2",
+ "quote",
+ "smallvec",
+ "syn",
+]
+
+[[package]]
+name = "cssparser-macros"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfae75de57f2b2e85e8768c3ea840fd159c8f33e2b6522c7835b7abac81be16e"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "cursive"
 version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -331,8 +364,10 @@ dependencies = [
  "log",
  "maplit",
  "ncurses",
+ "pancurses",
  "signal-hook",
  "term_size",
+ "termion",
  "unicode-segmentation",
  "unicode-width",
 ]
@@ -396,6 +431,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "derive_more"
+version = "0.99.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc655351f820d774679da6cdc23355a93de496867d8203496675162e17b1d671"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "directories"
 version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -424,6 +470,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4358a9e11b9a09cf52383b451b49a169e8d797b68aa02301ff586d70d9661ea3"
 
 [[package]]
+name = "dtoa-short"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59020b8513b76630c49d918c33db9f4c91638e7d3404a28084083b87e33f76f2"
+dependencies = [
+ "dtoa",
+]
+
+[[package]]
+name = "ego-tree"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a68a4904193147e0a8dec3314640e6db742afd5f6e634f428a6af230d9b3591"
+
+[[package]]
 name = "either"
 version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -531,6 +592,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
 [[package]]
+name = "futf"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c9c1ce3fa9336301af935ab852c437817d14cd33690446569392e65170aac3b"
+dependencies = [
+ "mac",
+ "new_debug_unreachable",
+]
+
+[[package]]
 name = "futures"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -626,6 +697,24 @@ dependencies = [
 ]
 
 [[package]]
+name = "fxhash"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
+dependencies = [
+ "byteorder",
+]
+
+[[package]]
+name = "getopts"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
 name = "getrandom"
 version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -665,6 +754,20 @@ dependencies = [
 ]
 
 [[package]]
+name = "html5ever"
+version = "0.25.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aafcf38a1a36118242d29b92e1b08ef84e67e4a5ed06e0a80be20e6a32bfed6b"
+dependencies = [
+ "log",
+ "mac",
+ "markup5ever",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "http"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -825,12 +928,35 @@ dependencies = [
 ]
 
 [[package]]
+name = "mac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4"
+
+[[package]]
 name = "maplit"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
 [[package]]
+name = "markup5ever"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae38d669396ca9b707bfc3db254bc382ddb94f57cc5c235f34623a669a01dab"
+dependencies = [
+ "log",
+ "phf",
+ "phf_codegen",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "string_cache",
+ "string_cache_codegen",
+ "tendril",
+]
+
+[[package]]
 name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -996,6 +1122,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "new_debug_unreachable"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
+
+[[package]]
+name = "nodrop"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
+
+[[package]]
 name = "num"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1070,6 +1208,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "numtoa"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
+
+[[package]]
 name = "once_cell"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1118,6 +1262,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "pancurses"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3058bc37c433096b2ac7afef1c5cdfae49ede0a4ffec3dfc1df1df0959d0ff0"
+dependencies = [
+ "libc",
+ "log",
+ "ncurses",
+ "pdcurses-sys",
+ "winreg 0.5.1",
+]
+
+[[package]]
 name = "parking_lot"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1142,6 +1299,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "pdcurses-sys"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "084dd22796ff60f1225d4eb6329f33afaf4c85419d51d440ab6b8c6f4529166b"
+dependencies = [
+ "cc",
+ "libc",
+]
+
+[[package]]
 name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1159,6 +1326,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "phf_codegen"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+]
+
+[[package]]
 name = "phf_generator"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1236,6 +1413,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
 
 [[package]]
+name = "precomputed-hash"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
+
+[[package]]
 name = "proc-macro-hack"
 version = "0.5.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1359,6 +1542,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
 [[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
+dependencies = [
+ "redox_syscall",
+]
+
+[[package]]
 name = "redox_users"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1411,7 +1603,7 @@ dependencies = [
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
- "winreg",
+ "winreg 0.7.0",
 ]
 
 [[package]]
@@ -1449,6 +1641,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
+name = "scraper"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48e02aa790c80c2e494130dec6a522033b6a23603ffc06360e9fe6c611ea2c12"
+dependencies = [
+ "cssparser",
+ "ego-tree",
+ "getopts",
+ "html5ever",
+ "matches",
+ "selectors",
+ "smallvec",
+ "tendril",
+]
+
+[[package]]
 name = "security-framework"
 version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1472,6 +1680,26 @@ dependencies = [
 ]
 
 [[package]]
+name = "selectors"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df320f1889ac4ba6bc0cdc9c9af7af4bd64bb927bccdf32d81140dc1f9be12fe"
+dependencies = [
+ "bitflags",
+ "cssparser",
+ "derive_more",
+ "fxhash",
+ "log",
+ "matches",
+ "phf",
+ "phf_codegen",
+ "precomputed-hash",
+ "servo_arc",
+ "smallvec",
+ "thin-slice",
+]
+
+[[package]]
 name = "serde"
 version = "1.0.111"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1527,6 +1755,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "servo_arc"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d98238b800e0d1576d8b6e3de32827c2d74bee68bb97748dcf5071fb53965432"
+dependencies = [
+ "nodrop",
+ "stable_deref_trait",
+]
+
+[[package]]
 name = "signal-hook"
 version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1576,10 +1814,12 @@ dependencies = [
  "futures",
  "lazy_static",
  "minimad",
+ "percent-encoding",
  "phf",
  "pulldown-cmark",
  "rayon",
  "reqwest",
+ "scraper",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -1608,6 +1848,31 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 
 [[package]]
+name = "string_cache"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2940c75beb4e3bf3a494cef919a747a2cb81e52571e212bfbd185074add7208a"
+dependencies = [
+ "lazy_static",
+ "new_debug_unreachable",
+ "phf_shared",
+ "precomputed-hash",
+ "serde",
+]
+
+[[package]]
+name = "string_cache_codegen"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f24c8e5e19d22a726626f1a5e16fe15b132dcf21d10177fa5a45ce7962996b97"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+ "proc-macro2",
+ "quote",
+]
+
+[[package]]
 name = "strsim"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1645,6 +1910,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "tendril"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "707feda9f2582d5d680d733e38755547a3e8fb471e7ba11452ecfd9ce93a5d3b"
+dependencies = [
+ "futf",
+ "mac",
+ "utf-8",
+]
+
+[[package]]
 name = "term_size"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1668,6 +1944,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "termion"
+version = "1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
+dependencies = [
+ "libc",
+ "numtoa",
+ "redox_syscall",
+ "redox_termios",
+]
+
+[[package]]
 name = "textwrap"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1677,6 +1965,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "thin-slice"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eaa81235c7058867fa8c0e7314f33dcce9c215f535d1913822a2b3f5e289f3c"
+
+[[package]]
 name = "thiserror"
 version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1843,6 +2137,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "utf-8"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
+
+[[package]]
 name = "vcpkg"
 version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1990,6 +2290,15 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "winreg"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a27a759395c1195c4cc5cda607ef6f8f6498f64e78f7900f5de0a127a424704a"
+dependencies = [
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "winreg"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"