support conan for lib.detect.find_package

2 files changed, 154 insertions, 2 deletions

diff --git a/xmake/modules/lib/detect/conan.lua b/xmake/modules/lib/detect/conan.lua
new file mode 100644
index 000000000..4660e0670
--- /dev/null
+++ b/xmake/modules/lib/detect/conan.lua
@@ -0,0 +1,151 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you under the Apache License, Version 2.0 (the
+-- "License"); you may not use this file except in compliance
+-- with the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+-- 
+-- Copyright (C) 2015 - 2019, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        conan.lua
+--
+
+-- imports
+import("lib.detect.find_file")
+import("lib.detect.find_library")
+import("detect.sdks.find_conandir")
+import("core.project.config")
+import("core.project.target")
+
+-- get package info
+--
+-- @param name  the package name
+-- @param opt   the argument options, {version = true, arch = "", plat = "", mode = "", conandir = ""}
+--
+-- @return      {links = {"ssl", "crypto", "z"}, linkdirs = {""}, includedirs = {""}, version = ""}
+--
+-- @code 
+--
+-- local pkginfo = conan.info("openssl")
+-- 
+-- @endcode
+--
+function info(name, opt)
+
+    -- init options
+    opt = opt or {}
+    
+    -- attempt to find the conan root directory
+    local conandir = find_conandir(opt.conandir)
+    if not conandir then
+        return 
+    end
+
+    -- init cache
+    _g._INFO = _g._INFO or {}
+
+    -- get it from cache first
+    local key = name 
+    local result = _g._INFO[key]
+    if result ~= nil then
+        return result and result or nil
+    end
+
+    -- find the package conanmanifest file, .e.g ~/.conan/data/pcre2/10.31/bincrafters/stable/package/519f362e9832d00859a5da6d5f76da34ecf8e237/conanmanifest.txt
+    local manifestfile = find_file("conanmanifest.txt", path.join(conandir, "data", name, "*", "*", "*", "package", "*"))
+
+    -- save includedirs, linkdirs and links
+    local info = manifestfile and io.readfile(manifestfile) or nil
+    if info then
+        local installdir = path.directory(manifestfile)
+        result = {includedirs = path.join(installdir, "include"), linkdirs = path.join(installdir, "lib")}
+        for _, line in ipairs(info:split('\n')) do
+            line = line:split(':')[1]:trim()
+            if line:startswith("lib") and (line:endswith(".lib") or line:endswith(".a")) then
+                result.links = result.links or {}
+                table.insert(result.links, target.linkname(path.filename(line)))
+            end
+        end
+    end
+
+    -- save version
+    if result and manifestfile then
+        result.version = manifestfile:match(path.join(name, "(%d+%.?%d*%.?%d*.-)"))
+        if not result.version then
+            result.version = manifestfile:match(path.join(name, "(%d+%.?%d*%.-)"))
+        end
+    end
+
+    -- save result to cache
+    _g._INFO[key] = result and result or false
+
+    -- ok?
+    return result
+end
+
+-- find package 
+--
+-- @param name  the package name
+-- @param opt   the argument options, {version = "1.0.1", links = {...}, conandir = ""}
+--
+-- @return      {links = {"ssl", "crypto", "z"}, linkdirs = {""}, includedirs = {""}}
+--
+-- @code 
+--
+-- local pkginfo = conan.find("openssl")
+-- 
+-- @endcode
+--
+function find(name, opt)
+
+    -- get package info
+    local pkginfo = info(name, opt)
+    if not pkginfo then
+        return 
+    end
+
+    -- match version?
+    opt = opt or {}
+    if opt.version and pkginfo.version ~= opt.version then
+        return 
+    end
+
+    -- get links
+    local links = pkginfo.links
+    if not links or #links == 0 then
+        links = opt.links
+    end
+
+    -- find library 
+    local result = nil
+    for _, link in ipairs(table.wrap(links)) do
+        local libinfo = find_library(link, pkginfo.linkdirs)
+        if libinfo then
+            result          = result or {}
+            result.links    = table.join(result.links or {}, libinfo.link)
+            result.linkdirs = table.join(result.linkdirs or {}, libinfo.linkdir)
+        end
+    end
+
+    -- found?
+    if result and result.links then
+        result.linkdirs     = table.unique(result.linkdirs)
+        result.includedirs  = table.join(result.includedirs or {}, pkginfo.includedirs)
+    end
+
+    -- ok?
+    return result
+end
+
diff --git a/xmake/modules/lib/detect/vcpkg.lua b/xmake/modules/lib/detect/vcpkg.lua
index 56763d9c0..573830fef 100644
--- a/xmake/modules/lib/detect/vcpkg.lua
+++ b/xmake/modules/lib/detect/vcpkg.lua
@@ -27,6 +27,7 @@ import("lib.detect.find_file")
 import("lib.detect.find_library")
 import("detect.sdks.find_vcpkgdir")
 import("core.project.config")
+import("core.project.target")
 
 -- get package info
 --
@@ -96,14 +97,14 @@ function info(name, opt)
                     result.links = result.links or {}
                     result.linkdirs = result.linkdirs or {}
                     table.insert(result.linkdirs, path.join(installdir, path.directory(line)))
-                    table.insert(result.links, path.basename(line))
+                    table.insert(result.links, target.linkname(path.filename(line)))
                 end
             end
         end
     end
 
     -- save version
-    if opt.version then
+    if result then
         local infoname = path.basename(infofile)
         result.version = infoname:match(name .. "_(%d+%.?%d*%.?%d*.-)_" .. arch)
         if not result.version then