1 files changed, 44 insertions, 0 deletions
diff --git a/xfa/fxfa/app/cxfa_texttabstopscontext.cpp b/xfa/fxfa/app/cxfa_texttabstopscontext.cpp
new file mode 100644
index 0000000000..3209603af3
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_texttabstopscontext.cpp
@@ -0,0 +1,44 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fxfa/app/cxfa_texttabstopscontext.h"
+
+CXFA_TextTabstopsContext::CXFA_TextTabstopsContext()
+    : m_iTabCount(0),
+      m_iTabIndex(-1),
+      m_bTabstops(false),
+      m_fTabWidth(0),
+      m_fLeft(0) {}
+
+CXFA_TextTabstopsContext::~CXFA_TextTabstopsContext() {}
+
+void CXFA_TextTabstopsContext::Append(uint32_t dwAlign, FX_FLOAT fTabstops) {
+  int32_t i = 0;
+  for (i = 0; i < m_iTabCount; i++) {
+    XFA_TABSTOPS* pTabstop = m_tabstops.GetDataPtr(i);
+    if (fTabstops < pTabstop->fTabstops) {
+      break;
+    }
+  }
+  m_tabstops.InsertSpaceAt(i, 1);
+  XFA_TABSTOPS tabstop;
+  tabstop.dwAlign = dwAlign;
+  tabstop.fTabstops = fTabstops;
+  m_tabstops.SetAt(i, tabstop);
+  m_iTabCount++;
+}
+
+void CXFA_TextTabstopsContext::RemoveAll() {
+  m_tabstops.RemoveAll();
+  m_iTabCount = 0;
+}
+
+void CXFA_TextTabstopsContext::Reset() {
+  m_iTabIndex = -1;
+  m_bTabstops = false;
+  m_fTabWidth = 0;
+  m_fLeft = 0;
+}