Mercurial Hosting > luan
annotate src/luan/modules/Boot.luan @ 1424:9ab267b9427c
better load_file()
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Fri, 22 Nov 2019 22:58:39 -0700 |
| parents | 836e00bf7ce2 |
| children | 94a6a209d4e2 |
| rev | line source |
|---|---|
|
1353
8d95711f6615
replace java() with require "java"
Franklin Schmidt <fschmidt@gmail.com>
parents:
1347
diff
changeset
|
1 require "java" |
| 1280 | 2 local System = require "java:java.lang.System" |
| 3 local URL = require "java:java.net.URL" | |
| 4 local BasicLuan = require "java:luan.modules.BasicLuan" | |
| 5 local new_error = BasicLuan.new_error | |
| 6 local ipairs = BasicLuan.ipairs | |
|
1283
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
7 local set_metatable = BasicLuan.set_metatable |
| 1330 | 8 local try = BasicLuan.try_ |
| 1424 | 9 local load = BasicLuan.load |
| 10 local type = BasicLuan.type | |
| 1280 | 11 local StringLuan = require "java:luan.modules.StringLuan" |
| 12 local match = StringLuan.match -- String.match | |
| 1424 | 13 local matches = StringLuan.matches -- String.matches |
| 1280 | 14 local IoLuan = require "java:luan.modules.IoLuan" |
| 15 local LuanUrl = require "java:luan.modules.url.LuanUrl" | |
| 1330 | 16 local LuanJava = require "java:luan.Luan" |
| 17 local LuanTable = require "java:luan.LuanTable" | |
| 1280 | 18 |
| 19 | |
| 20 local Boot = {} | |
| 21 | |
| 22 | |
| 23 local function error(message) | |
| 24 new_error(message).throw() | |
| 25 end | |
| 26 Boot.error = error | |
| 27 | |
| 1330 | 28 local function no_security(fn) |
| 29 LuanJava.checkCallerSecurity("no_security") | |
| 30 return function(...) | |
| 31 local security = LuanJava.setSecurity(nil) | |
| 32 return try( { | |
| 33 fn | |
| 34 finally = function() | |
| 35 security and LuanJava.setSecurity(security) | |
| 36 end | |
| 37 }, ... ) | |
| 38 end | |
| 39 end | |
| 40 Boot.no_security = no_security | |
| 41 | |
| 1280 | 42 |
| 43 local function new_LuanIn(io) | |
| 44 local this = {} | |
| 45 this.java = io | |
| 46 this.to_string = io.to_string | |
| 47 this.read_text = io.read_text | |
| 48 this.read_binary = io.read_binary | |
| 49 this.read_lines = io.read_lines | |
| 50 this.read_blocks = io.read_blocks | |
| 51 this.exists = io.exists | |
| 52 this.checksum = io.checksum | |
| 53 this.charset = io.charset | |
| 54 this.set_charset = io.set_charset | |
| 1424 | 55 |
| 56 function this.to_uri_string() | |
| 57 return this.uri_string or io.to_uri_string() | |
| 58 end | |
| 59 | |
| 1280 | 60 return this |
| 61 end | |
| 62 Boot.new_LuanIn = new_LuanIn | |
| 63 | |
| 64 local function new_writer(writer) | |
| 65 local this = {} | |
| 66 this.java = writer | |
| 67 this.write = writer.write | |
| 68 this.close = writer.close | |
| 69 return this | |
| 70 end | |
| 71 | |
| 72 function Boot.text_writer(out) | |
| 73 return new_writer( IoLuan.luanWriter(out) ) | |
| 74 end | |
| 75 | |
| 76 Boot.binary_writer = new_writer | |
| 77 | |
| 78 local function new_LuanIO(io) | |
| 79 local this = new_LuanIn(io) | |
| 80 this.write = io.write | |
| 81 this.write_text = io.write_text | |
| 82 | |
| 83 function this.text_writer() | |
| 84 return new_writer( io.text_writer() ) | |
| 85 end | |
| 86 | |
| 87 function this.binary_writer() | |
| 88 return new_writer( io.binary_writer() ) | |
| 89 end | |
| 90 | |
| 91 return this | |
| 92 end | |
| 93 | |
| 94 local schemes = {} | |
| 1330 | 95 LuanTable.setSecurity(schemes,"schemes") |
| 1280 | 96 |
| 97 function schemes.null(path) | |
| 98 return new_LuanIO( IoLuan.nullIO ) | |
| 99 end | |
| 100 | |
| 101 function schemes.string(path) | |
| 102 return new_LuanIO( IoLuan.LuanString.new(path) ) | |
| 103 end | |
| 104 | |
| 105 function schemes.classpath(path) | |
| 106 local cp = IoLuan.classpath(path) | |
| 107 return cp and new_LuanIn(cp) | |
| 108 end | |
| 109 | |
| 110 function schemes.luan(path) | |
| 111 return schemes.classpath("luan/modules/"..path) | |
| 112 end | |
| 113 | |
| 114 function schemes.stdin(path) | |
| 115 local Io = require "luan:Io.luan" | |
| 116 return Io.stdin | |
| 117 end | |
| 118 | |
| 1364 | 119 |
| 120 local function new_LuanUrl(io) | |
| 121 local this = new_LuanIn(io) | |
| 122 | |
| 123 local function check() | |
| 124 io.httpCon or error "must open first" | |
| 125 end | |
| 126 | |
| 127 function this.get_header(name) | |
| 128 check() | |
| 129 return io.httpCon.getHeaderField(name) | |
| 130 end | |
| 131 | |
| 132 function this.get_response_code() | |
| 133 check() | |
| 134 return io.httpCon.getResponseCode() | |
| 135 end | |
| 136 | |
| 137 function this.get_response_message() | |
| 138 check() | |
| 139 return io.httpCon.getResponseMessage() | |
| 140 end | |
| 141 | |
| 142 return this | |
| 143 end | |
| 144 | |
| 1280 | 145 local function url(path,options) |
| 1364 | 146 return new_LuanUrl( LuanUrl.new(URL.new(path),options) ) |
| 1280 | 147 end |
| 148 | |
| 149 function schemes.http(path,options) | |
| 150 return url( "http:"..path, options ) | |
| 151 end | |
| 152 | |
| 153 function schemes.https(path,options) | |
| 154 return url( "https:"..path, options ) | |
| 155 end | |
| 156 | |
| 157 local function new_BaseOs(io) | |
| 158 local this = new_LuanIO(io) | |
| 159 this.wait_for = io.wait_for | |
| 160 return this | |
| 161 end | |
| 162 | |
| 163 function schemes.os(path,options) | |
| 164 return new_BaseOs( IoLuan.LuanOs.new(path,options) ) | |
| 165 end | |
| 166 | |
| 167 function schemes.bash(path,options) | |
| 168 return new_BaseOs( IoLuan.LuanBash.new(path,options) ) | |
| 169 end | |
| 170 | |
| 171 local function new_LuanFile(io) | |
| 172 local this = new_LuanIO(io) | |
| 173 this.name = io.file.getName | |
| 174 this.is_directory = io.file.isDirectory | |
| 175 this.is_file = io.file.isFile | |
| 176 this.delete = io.delete | |
| 177 this.delete_on_exit = io.file.deleteOnExit | |
| 178 this.mkdir = io.mkdir | |
| 179 this.last_modified = io.file.lastModified | |
| 180 this.set_last_modified = io.set_last_modified | |
| 181 this.length = io.file.length | |
| 182 this.rename_to = io.rename_to | |
|
1367
836e00bf7ce2
add Lucene backup_to
Franklin Schmidt <fschmidt@gmail.com>
parents:
1364
diff
changeset
|
183 this.link_to = io.link_to |
|
836e00bf7ce2
add Lucene backup_to
Franklin Schmidt <fschmidt@gmail.com>
parents:
1364
diff
changeset
|
184 this.symlink_to = io.symlink_to |
|
1311
ca742d51b31f
don't delete into symbolic links
Franklin Schmidt <fschmidt@gmail.com>
parents:
1286
diff
changeset
|
185 this.is_symbolic_link = io.is_symbolic_link |
| 1280 | 186 |
| 187 function this.child(name) | |
| 188 return new_LuanFile( io.child(name) ) | |
| 189 end | |
| 190 | |
| 191 function this.children() | |
| 192 local raw = io.children() | |
| 193 if raw == nil then | |
| 194 return nil | |
| 195 end | |
| 196 local rtn = {} | |
| 197 for _, child in ipairs(raw) do | |
| 198 rtn[#rtn+1] = new_LuanFile(child) | |
| 199 end | |
| 200 return rtn | |
| 201 end | |
| 202 | |
| 203 function this.parent() | |
| 204 return new_LuanFile( io.parent() ) | |
| 205 end | |
| 206 | |
| 207 function this.canonical() | |
| 208 return new_LuanFile( io.canonical() ) | |
| 209 end | |
| 210 | |
| 211 function this.create_temp_file(prefix,suffix) | |
| 212 return new_LuanFile( io.create_temp_file(prefix,suffix) ) | |
| 213 end | |
| 214 | |
| 215 return this | |
| 216 end | |
| 217 | |
| 218 function schemes.file(path) | |
| 219 return new_LuanFile( IoLuan.LuanFile.new(path) ) | |
| 220 end | |
| 221 | |
| 222 Boot.schemes = schemes | |
| 223 | |
| 224 | |
| 225 local function uri(name,options) | |
| 1286 | 226 local scheme, location = match( name, "(?s)^([^:]+):(.*)$" ) |
| 1280 | 227 scheme or error( "invalid Io.uri name '"..name.."', missing scheme" ) |
| 1286 | 228 local opener = schemes[scheme] or error( "invalid scheme '"..scheme.."' in '"..name.."'" ) |
| 1280 | 229 return opener(location,options) |
| 230 end | |
| 231 Boot.uri = uri | |
| 232 | |
| 233 | |
| 234 function Boot.read(uri_str) -- for PackageLuan.java | |
| 235 local u = uri(uri_str) | |
| 236 if u==nil or not u.exists() then | |
| 237 return nil | |
| 238 end | |
| 239 return u.read_text() | |
| 240 end | |
| 241 | |
| 1424 | 242 function Boot.load_file(file) |
| 243 if type(file) == "string" then | |
| 244 if not matches(file,":") then | |
| 245 file = "file:"..file | |
| 246 end | |
| 247 local u = uri(file) | |
| 248 if u==nil or not u.exists() then | |
| 249 return nil | |
| 250 end | |
| 251 local src = u.read_text() | |
| 252 return load(src,file) | |
| 253 elseif type(file) == "table" and file.read_text ~= nil then | |
| 254 local src = file.read_text() | |
| 255 return load(src,file.to_uri_string()) | |
| 256 else | |
| 257 error("bad argument, expected string or uri table but got "..type(file)) | |
| 258 end | |
| 259 end | |
| 260 | |
| 1280 | 261 |
|
1283
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
262 local error_mt = {} |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
263 |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
264 function error_mt.__to_string(t) |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
265 return t.java.getLuanStackTraceString() |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
266 end |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
267 |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
268 function Boot.new_error_table(ex) -- for LuanException.java |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
269 local this = {} |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
270 set_metatable(this,error_mt) |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
271 this.java = ex |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
272 this.get_message = ex.getMessage |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
273 this.throw = ex.throwThis |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
274 this.get_stack_trace_string = ex.getLuanStackTraceString |
|
1347
643cf1c37723
move webserver to lib and bug fixes
Franklin Schmidt <fschmidt@gmail.com>
parents:
1330
diff
changeset
|
275 this.get_java_stack_trace_string = ex.getJavaStackTraceString |
|
1283
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
276 return this |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
277 end |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
278 |
|
503bde9a7c80
add luan.require() and table.call()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1280
diff
changeset
|
279 |
| 1280 | 280 return Boot |