Keep only base/extractor.[cc|h].

ui/uilib/node_state.cc

-// Copyright 2006-2009 Google Inc.
-//
-// Licensed 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.
-// ========================================================================
-
-//
-
-#include "omaha/ui/uilib/node_state.h"
-
-// Add a list item tag
-NodeState::Tags NodeState::tags_[] = {
-// name_to_match        length_name_to_match       action      no_parameters;
-  { _T("<b>"),       static_cast<int>(_tcslen(_T("<b>"))),      BOLD_ON,        true  },  // NOLINT
-  { _T("</b>"),      static_cast<int>(_tcslen(_T("</b>"))),     BOLD_OFF,       true  },  // NOLINT
-  { _T("<i>"),       static_cast<int>(_tcslen(_T("<i>"))),      ITALIC_ON,      true  },  // NOLINT
-  { _T("</i>"),      static_cast<int>(_tcslen(_T("</i>"))),     ITALIC_OFF,     true  },  // NOLINT
-  { _T("<u>"),       static_cast<int>(_tcslen(_T("<u>"))),      UNDERLINE_ON,   true  },  // NOLINT
-  { _T("</u>"),      static_cast<int>(_tcslen(_T("</u>"))),     UNDERLINE_OFF,  true  },  // NOLINT
-  { _T("<color="),   static_cast<int>(_tcslen(_T("<color="))),  TEXTCOLOR_ON,   false },  // NOLINT
-  { _T("</color>"),  static_cast<int>(_tcslen(_T("</color>"))), TEXTCOLOR_OFF,  true  },  // NOLINT
-  { _T("<size="),    static_cast<int>(_tcslen(_T("<size="))),   TEXTSIZE_ON,    false },  // NOLINT
-  { _T("</size>"),   static_cast<int>(_tcslen(_T("</size>"))),  TEXTSIZE_OFF,   true  },  // NOLINT
-  { _T("<a="),       static_cast<int>(_tcslen(_T("<a="))),      URL_ON,         false },  // NOLINT
-  { _T("</a>"),      static_cast<int>(_tcslen(_T("</a>"))),     URL_OFF,        true  },  // NOLINT
-};
-
-NodeState::NodeState(HWND window)
-    : default_font_(NULL),
-      font_(NULL),
-      bold_(false),
-      italic_(false),
-      underline_(false),
-      text_color_(0),
-      text_size_(8),
-      owner_window_(window) {
-}
-
-NodeState::~NodeState() {
-}
-
-
-void NodeState::SetStdFont(HFONT font) {
-  default_font_ = font;
-}
-
-
-HFONT NodeState::GetFont() const {
-  if (IsDefaultFont())
-    return default_font_;
-
-  if (font_)
-    return font_;
-
-  if (default_font_) {
-    HDC dc = GetDC(owner_window_);
-
-    LOGFONT log_font;
-    GetObject(default_font_, sizeof(LOGFONT), &log_font);
-    log_font.lfWeight    = bold_ ? FW_BOLD : FW_NORMAL;
-    log_font.lfItalic    = italic_;
-    log_font.lfUnderline = underline_;
-    log_font.lfHeight    =
-        -MulDiv(text_size_, GetDeviceCaps(dc, LOGPIXELSY), 72);
-    font_ = CreateFontIndirect(&log_font);
-  }
-
-  return font_;
-}
-
-
-bool NodeState::IsDefaultFont() const {
-    if (bold_ || italic_ || underline_)
-        return false;
-
-    if (text_size_ != 8)
-        return false;
-
-    return true;
-}
-
-
-int NodeState::ConsumeTag(const TCHAR* string) {
-  int size = sizeof(tags_) / sizeof(tags_[0]);
-  for (int i = 0; i < size; i++) {
-    if (_tcsnicmp(string, tags_[i].name_to_match,
-                  tags_[i].length_name_to_match) == 0) {
-      if (tags_[i].no_parameters) {
-        ApplyAction(tags_[i].action, NULL);
-        return tags_[i].length_name_to_match;
-      } else {
-        return tags_[i].length_name_to_match +
-               ApplyAction(tags_[i].action, string +
-                           tags_[i].length_name_to_match) + 1;
-      }
-    }
-  }
-
-  return 0;
-}
-
-
-int NodeState::ApplyAction(Actions action, const TCHAR* string/*=NULL*/) {
-  int read = 0;
-  switch (action) {
-  case BOLD_ON :
-    bold_ = true;
-    break;
-
-  case BOLD_OFF :
-    bold_ = false;
-    break;
-
-  case ITALIC_ON :
-    italic_ = true;
-    break;
-
-  case ITALIC_OFF :
-    italic_ = false;
-    break;
-
-  case UNDERLINE_ON :
-    underline_ = true;
-    break;
-
-  case UNDERLINE_OFF :
-    underline_ = false;
-    break;
-
-  case TEXTCOLOR_ON :
-    ATLASSERT(string);
-    if (string) {
-      int nParam = 0;
-      read = ReadColorRef(string, &nParam);
-      text_color_ = nParam;
-    }
-    break;
-
-  case TEXTCOLOR_OFF :
-    text_color_ = 0;
-    break;
-
-  case TEXTSIZE_ON :
-    ATLASSERT(string);
-    if (string)
-      read = ReadNumParameter(string, &text_size_);
-    break;
-
-  case TEXTSIZE_OFF :
-    text_size_ = 8;
-    break;
-
-  case URL_ON :
-    underline_ = true;
-    text_color_ = RGB(0, 0, 0xff);
-    ATLASSERT(string);
-    if (string)
-      read = ReadString(string, &url_);
-    break;
-
-  case URL_OFF :
-    underline_ = false;
-    text_color_ = 0;
-    url_ = _T("");
-    break;
-
-  case UNKNOWN:
-    // fall thru
-
-  default:
-    ATLASSERT(false);
-  }
-  return read;
-}
-
-int NodeState::ReadNumParameter(const TCHAR* string, int* param) {
-  if (!param)
-    return 0;
-
-  *param = 0;
-  const TCHAR* current_pos = string;
-  while (current_pos && _istdigit(*current_pos)) {
-    *param *= 10;
-    *param += *current_pos - _T('0');
-    current_pos++;
-  }
-  return static_cast<int>(current_pos - string);
-}
-
-int NodeState::ReadHexParameter(const TCHAR* string, int* param) {
-  if (!param)
-    return 0;
-
-  *param = 0;
-  const TCHAR* current_pos = string;
-  while (current_pos && _istxdigit(*current_pos)) {
-    *param = ((*param) << 4);
-    if (_istdigit(*current_pos))
-      *param += *current_pos - _T('0');
-    else
-      *param += (*current_pos | 0x20) - _T('a') + 10;
-    current_pos++;
-  }
-  return static_cast<int>(current_pos - string);
-}
-
-int NodeState::ReadColorRef(const TCHAR* string, int* param) {
-  if (!param)
-    return 0;
-
-  int read = ReadHexParameter(string, param);
-  *param = RGB((*param) >> 16, ((*param) >> 8) & 0xff, (*param) & 0xff);
-  return read;
-}
-
-int NodeState::ReadString(const TCHAR* string, CString* string_out) {
-  if (!string_out)
-    return 0;
-
-  int length = 0;
-  int position = _tcscspn(string, _T(" >"));
-  if (position >= 0) {
-    *string_out = CString(string, position);
-    length = position;
-  }
-
-  return length;
-}