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| author | hisham <hisham@9ca3f7c1-7366-0410-b1a3-b5c78f85698c> | 2009-10-08 18:42:37 +0000 |
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| committer | hisham <hisham@9ca3f7c1-7366-0410-b1a3-b5c78f85698c> | 2009-10-08 18:42:37 +0000 |
| commit | cf8d8c295380dff46e4a25031762eae0c7ec3b61 (patch) | |
| tree | 827f7496a56888044a85e30e5aea5ad713dfb73b /src/luarocks2.lua | |
| parent | 653cf4569aa7c9d3a25c470829765d4672ae8359 (diff) | |
| download | luarocks-cf8d8c295380dff46e4a25031762eae0c7ec3b61.tar.gz luarocks-cf8d8c295380dff46e4a25031762eae0c7ec3b61.tar.bz2 luarocks-cf8d8c295380dff46e4a25031762eae0c7ec3b61.zip | |
Let's use luarocks.loader as the name
git-svn-id: http://luarocks.org/svn/luarocks/trunk@71 9ca3f7c1-7366-0410-b1a3-b5c78f85698c
Diffstat (limited to 'src/luarocks2.lua')
| -rw-r--r-- | src/luarocks2.lua | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/src/luarocks2.lua b/src/luarocks2.lua deleted file mode 100644 index f50bddf2..00000000 --- a/src/luarocks2.lua +++ /dev/null | |||
| @@ -1,167 +0,0 @@ | |||
| 1 | |||
| 2 | local global_env = _G | ||
| 3 | local package, require, assert, ipairs, pairs, os, print, table, type, next, unpack = | ||
| 4 | package, require, assert, ipairs, pairs, os, print, table, type, next, unpack | ||
| 5 | |||
| 6 | module("luarocks2") | ||
| 7 | |||
| 8 | local path = require("luarocks.path") | ||
| 9 | local manif_core = require("luarocks.manif_core") | ||
| 10 | local deps = require("luarocks.deps") | ||
| 11 | local cfg = require("luarocks.cfg") | ||
| 12 | |||
| 13 | context = {} | ||
| 14 | |||
| 15 | -- Contains a table when rocks trees are loaded, | ||
| 16 | -- or 'false' to indicate rocks trees failed to load. | ||
| 17 | -- 'nil' indicates rocks trees were not attempted to be loaded yet. | ||
| 18 | rocks_trees = nil | ||
| 19 | |||
| 20 | local function load_rocks_trees() | ||
| 21 | local any_ok = false | ||
| 22 | local trees = {} | ||
| 23 | for _, tree in pairs(cfg.rocks_trees) do | ||
| 24 | local rocks_dir = path.rocks_dir(tree) | ||
| 25 | local manifest, err = manif_core.load_local_manifest(rocks_dir) | ||
| 26 | if manifest then | ||
| 27 | any_ok = true | ||
| 28 | table.insert(trees, {rocks_dir=rocks_dir, manifest=manifest}) | ||
| 29 | end | ||
| 30 | end | ||
| 31 | if not any_ok then | ||
| 32 | rocks_trees = false | ||
| 33 | return false | ||
| 34 | end | ||
| 35 | rocks_trees = trees | ||
| 36 | return true | ||
| 37 | end | ||
| 38 | |||
| 39 | --- Process the dependencies of a package to determine its dependency | ||
| 40 | -- chain for loading modules. | ||
| 41 | -- @parse name string: The name of an installed rock. | ||
| 42 | -- @parse version string: The version of the rock, in string format | ||
| 43 | -- @parse manifest table: The local manifest table where this rock | ||
| 44 | -- is installed. | ||
| 45 | function add_context(name, version) | ||
| 46 | -- assert(type(name) == "string") | ||
| 47 | -- assert(type(version) == "string") | ||
| 48 | -- assert(type(manifest) == "table") | ||
| 49 | |||
| 50 | if context[name] then | ||
| 51 | return | ||
| 52 | end | ||
| 53 | context[name] = version | ||
| 54 | |||
| 55 | if not rocks_trees and not load_rocks_trees() then | ||
| 56 | return nil | ||
| 57 | end | ||
| 58 | |||
| 59 | local providers = {} | ||
| 60 | for _, tree in pairs(rocks_trees) do | ||
| 61 | local manifest = tree.manifest | ||
| 62 | |||
| 63 | local pkgdeps = manifest.dependencies and manifest.dependencies[name][version] | ||
| 64 | if not pkgdeps then | ||
| 65 | return | ||
| 66 | end | ||
| 67 | for _, dep in ipairs(pkgdeps) do | ||
| 68 | local package, constraints = dep.name, dep.constraints | ||
| 69 | |||
| 70 | for _, tree in pairs(rocks_trees) do | ||
| 71 | local entries = tree.manifest.repository[package] | ||
| 72 | if entries then | ||
| 73 | for version, packages in pairs(entries) do | ||
| 74 | if (not constraints) or deps.match_constraints(deps.parse_version(version), constraints) then | ||
| 75 | add_context(package, version, tree.manifest) | ||
| 76 | end | ||
| 77 | end | ||
| 78 | end | ||
| 79 | end | ||
| 80 | end | ||
| 81 | end | ||
| 82 | end | ||
| 83 | |||
| 84 | --- Internal sorting function. | ||
| 85 | -- @param a table: A provider table. | ||
| 86 | -- @param b table: Another provider table. | ||
| 87 | -- @return boolean: True if the version of a is greater than that of b. | ||
| 88 | local function sort_versions(a,b) | ||
| 89 | return a.version > b.version | ||
| 90 | end | ||
| 91 | |||
| 92 | local function call_other_loaders(module, name, version, file) | ||
| 93 | |||
| 94 | local actual_module = file:match(".*/(.*)%.[^.]+$") | ||
| 95 | for i, loader in pairs(package.loaders) do | ||
| 96 | if loader ~= luarocks_loader then | ||
| 97 | local results = { loader(actual_module) } | ||
| 98 | if type(results[1]) == "function" then | ||
| 99 | return unpack(results) | ||
| 100 | end | ||
| 101 | end | ||
| 102 | end | ||
| 103 | return nil, "Failed loading module "..module.." in LuaRocks rock "..name.." "..version | ||
| 104 | end | ||
| 105 | |||
| 106 | local function pick_module(module) | ||
| 107 | --assert(type(module) == "string") | ||
| 108 | |||
| 109 | if not rocks_trees and not load_rocks_trees() then | ||
| 110 | return nil | ||
| 111 | end | ||
| 112 | |||
| 113 | local providers = {} | ||
| 114 | for _, tree in pairs(rocks_trees) do | ||
| 115 | local entries = tree.manifest.modules[module] | ||
| 116 | if entries then | ||
| 117 | for i, entry in ipairs(entries) do | ||
| 118 | local name, version = entry:match("^([^/]*)/(.*)$") | ||
| 119 | local file = tree.manifest.repository[name][version][1].modules[module] | ||
| 120 | local deploy_dir | ||
| 121 | if file:match(cfg.lua_extension.."$") then | ||
| 122 | deploy_dir = cfg.deploy_lua_dir | ||
| 123 | else | ||
| 124 | deploy_dir = cfg.deploy_bin_dir | ||
| 125 | end | ||
| 126 | if i == 1 then | ||
| 127 | file = deploy_dir.."/"..file | ||
| 128 | else | ||
| 129 | file = path.versioned_name(deploy_dir.."/"..file, name, version) | ||
| 130 | end | ||
| 131 | if context[name] == version then | ||
| 132 | return name, version, file | ||
| 133 | end | ||
| 134 | version = deps.parse_version(version) | ||
| 135 | table.insert(providers, {name = name, version = version, file = file}) | ||
| 136 | end | ||
| 137 | end | ||
| 138 | end | ||
| 139 | |||
| 140 | if next(providers) then | ||
| 141 | table.sort(providers, sort_versions) | ||
| 142 | local first = providers[1] | ||
| 143 | return first.name, first.version.string, first.file | ||
| 144 | end | ||
| 145 | end | ||
| 146 | |||
| 147 | --- Package loader for LuaRocks support. | ||
| 148 | -- A module is searched in installed rocks that match the | ||
| 149 | -- current LuaRocks context. If module is not part of the | ||
| 150 | -- context, or if a context has not yet been set, the module | ||
| 151 | -- in the package with the highest version is used. | ||
| 152 | -- @param module string: The module name, like in plain require(). | ||
| 153 | -- @return table: The module table (typically), like in plain | ||
| 154 | -- require(). See <a href="http://www.lua.org/manual/5.1/manual.html#pdf-require">require()</a> | ||
| 155 | -- in the Lua reference manual for details. | ||
| 156 | |||
| 157 | function luarocks_loader(module) | ||
| 158 | local name, version, file = pick_module(module) | ||
| 159 | if not name then | ||
| 160 | return nil, "No LuaRocks module found for "..module | ||
| 161 | else | ||
| 162 | add_context(name, version) | ||
| 163 | return call_other_loaders(module, name, version, file) | ||
| 164 | end | ||
| 165 | end | ||
| 166 | |||
| 167 | table.insert(global_env.package.loaders, 1, luarocks_loader) | ||
