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go/src/infra/libs/gitiles/priv_jsonCommitDiff.go

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package gitiles
+
+import (
+        "infra/libs/git"
+        "strings"
+)
+
+// Private /////////////////////////////////////////////////////////////////////
+
+// Types ///////////////////////////////////////////////////////////////////////
+
+type jsonCommitDiff struct {
+        TreeDiff []struct {
+                Type    string   `json:"type"`
+                OldID   string   `json:"old_id"`
+                OldMode git.Mode `json:"old_mode"`
+                OldPath string   `json:"old_path"`
+                NewID   string   `json:"new_id"`
+                NewMode git.Mode `json:"new_mode"`
+                NewPath string   `json:"new_path"`
+        } `json:"tree_diff"`
+}
+
+// Member functions ////////////////////////////////////////////////////////////
+
+func (c *jsonCommitDiff) ToResult() (git.TreeDiff, error) {
+        td := make(git.TreeDiff, 0, len(c.TreeDiff))
+        for _, ent := range c.TreeDiff {
+                oldID, err := git.MakeObjectIDErr(ent.OldID)
+                if err != nil {
+                        return nil, err
+                }
+                newID, err := git.MakeObjectIDErr(ent.NewID)
+                if err != nil {
+                        return nil, err
+                }
+                oldChild, err := git.NewEmptyChild(ent.OldMode, oldID)
+                if err != nil {
+                        return nil, err
+                }
+                newChild, err := git.NewEmptyChild(ent.NewMode, newID)
+                if err != nil {
+                        return nil, err
+                }
+
+                td = append(td, git.TreeDiffEntry{
+                        Action: strings.ToUpper(ent.Type[:1]),
+                        Old: git.TreeDiffEntryHalf{
+                                Child: *oldChild,
+                                Name:  ent.OldPath,
+                        },
+                        New: git.TreeDiffEntryHalf{
+                                Child: *newChild,
+                                Name:  ent.NewPath,
+                        },
+                })
+        }
+        return td, nil
+}