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path: root/src/diff.nobj.lua
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-- Copyright (c) 2010-2012 by Robert G. Jakabosky <bobby@sharedrealm.com>
-- Copyright (c) 2012 by Daniel Silverstone <dsilvers@digital-scurf.org>
--
-- Permission is hereby granted, free of charge, to any person obtaining a copy
-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-- THE SOFTWARE.

object "Diff" {
	c_source [[
typedef git_diff_list Diff;

static int print_cb_fn(void *cb_data,
        git_diff_delta *delta,
        git_diff_range *range,
        char line_origin, /**< GIT_DIFF_LINE_... value from above */
        const char *content,
        size_t content_len)
{
	lua_State *L = (lua_State *)cb_data;
	lua_pushlstring(L, content, content_len);
	return 0;
}


]],
	constructor "tree_to_tree" {
		c_call { "GitError", "err" } "git_diff_tree_to_tree"
			{ "Repository *", "repo", "void *", "opts",
			  "Tree *", "old_tree", "Tree *", "new_tree", "Diff *", "&this" },
	},
	method "entrycount" {
		c_method_call "int"  "git_diff_entrycount" { "int", "delta_t" }
	},
	method "print_patch" {
	   c_source [[
		 {
		    int cur_top = lua_gettop(L);
		    git_diff_print_patch(${this}, L, print_cb_fn);
		    if (lua_gettop(L) != cur_top) {
		       lua_concat(L, lua_gettop(L) - cur_top);
		       return 1;
		    }
		 }
	   ]]
	},
}