add semver.compare

3 files changed, 84 insertions, 0 deletions

diff --git a/core/src/xmake/machine.c b/core/src/xmake/machine.c
index 18fb95061..a4354a759 100644
--- a/core/src/xmake/machine.c
+++ b/core/src/xmake/machine.c
@@ -135,6 +135,7 @@ tb_int_t xm_readline_clear_history(lua_State* lua);
 
 // the semver functions
 tb_int_t xm_semver_parse(lua_State* lua);
+tb_int_t xm_semver_compare(lua_State* lua);
 tb_int_t xm_semver_satisfies(lua_State* lua);
 tb_int_t xm_semver_select(lua_State* lua);
 
@@ -263,6 +264,7 @@ static luaL_Reg const g_readline_functions[] =
 static luaL_Reg const g_semver_functions[] =
 {
     { "parse",          xm_semver_parse     }
+,   { "compare",        xm_semver_compare   }
 ,   { "satisfies",      xm_semver_satisfies }
 ,   { "select",         xm_semver_select    }
 ,   { tb_null,          tb_null             }
diff --git a/core/src/xmake/makefile b/core/src/xmake/makefile
index 1471c75ef..edee2f843 100644
--- a/core/src/xmake/makefile
+++ b/core/src/xmake/makefile
@@ -61,6 +61,7 @@ xmake_C_FILES 			+= \
 						process/close \
 						sandbox/interactive \
 						semver/parse \
+						semver/compare \
 						semver/satisfies \
 						semver/select \
 						semver/semver \
diff --git a/core/src/xmake/semver/compare.c b/core/src/xmake/semver/compare.c
new file mode 100644
index 000000000..66f335b90
--- /dev/null
+++ b/core/src/xmake/semver/compare.c
@@ -0,0 +1,81 @@
+/*!The Make-like 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 - 2018, TBOOX Open Source Group.
+ *
+ * @author      uael
+ * @file        compare.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME                "compare"
+#define TB_TRACE_MODULE_DEBUG               (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+
+// semver.compare("v1.0.1-beta", "1.2") > 0?
+tb_int_t xm_semver_compare(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // get the version1 string
+    tb_char_t const* version1_str = luaL_checkstring(lua, 1);
+    tb_check_return_val(version1_str, 0);
+
+    // get the version2 string
+    tb_char_t const* version2_str = luaL_checkstring(lua, 2);
+    tb_check_return_val(version2_str, 0);
+
+    // try to parse version1 string
+    semver_t semver1 = {0};
+    if (semver_tryn(&semver1, version1_str, tb_strlen(version1_str))) 
+    {
+        lua_pushnil(lua);
+        lua_pushfstring(lua, "unable to parse semver '%s'", version1_str);
+        return 2;
+    }
+
+
+    // try to parse version2 string
+    semver_t semver2 = {0};
+    if (semver_tryn(&semver2, version2_str, tb_strlen(version2_str))) 
+    {
+        lua_pushnil(lua);
+        lua_pushfstring(lua, "unable to parse semver '%s'", version2_str);
+        return 2;
+    }
+
+    // do compare 
+    lua_pushinteger(lua, semver_pcmp(&semver1, &semver2));
+
+    // end
+    semver_dtor(&semver1);
+    semver_dtor(&semver2);
+    return 1;
+}