CodeSnip Old Code (SVN)

{
 * UpdateIni.ps
 *
 * Pascal script for use in [Code] Section of CodeSnip's Install.iss.
 *
 * Creates per-user and application-wide ini files in correct data folders. Can
 * also create the ini files from the information stored in the single ini file
 * used in versions of CodeSnip prior to version 1.9.
 *
 * $Rev$
 * $Date$
 *
 * ***** BEGIN LICENSE BLOCK *****
 *
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * The Original Code is UpdateIni.ps.
 *
 * The Initial Developer of the Original Code is Peter Johnson
 * (http://www.delphidabbler.com/).
 *
 * Portions created by the Initial Developer are Copyright (C) 2007-2010 Peter
 * Johnson. All Rights Reserved.
 *
 * Contributors:
 *    NONE
 *
 * ***** END LICENSE BLOCK *****
}

// Reads an ANSI config file, converts content to Unicode and writes that to a
// UTF-16LE encoded Unicode config file with BOM. Does nothing if old and new
// file names are the same.
// *** Requires Unicode Inno Setup. ***
procedure CopyAnsiToUnicodeConfigFile(OldFileName, NewFileName: string);
var
  Lines: TArrayOfString;  // lines of text read from ANSI .ini file
begin
  if CompareText(OldFileName, NewFileName) = 0 then
    Exit;
  // reads an ANSI file and converts contents to Unicode, using system default
  // encoding
  LoadStringsFromFile(OldFileName, Lines);
  // writes string array to UTF-16LE file
  ForceDirectories(ExtractFileDir(NewFileName));
  WriteStringsToUnicodeFile(NewFileName, Lines);
end;

// Makes a copy of a Unicode config file with a different name. Does nothing if
// old and new file names are the same.
procedure CopyUnicodeConfigFiles(OldFileName, NewFileName: string);
begin
  if CompareText(OldFileName, NewFileName) = 0 then
    Exit;
  ForceDirectories(ExtractFileDir(NewFileName));
  FileCopy(OldFileName, NewFileName, False);
end;

// Checks if a config file is ANSI. If False is returned the file is assumed to
// be Unicode.
function IsAnsiConfigFile(InstallID: Integer): Boolean;
begin
  Result := InstallID <= piV3;
end;

// Gets version number of new installation's user config file.
function UserConfigFileVer: Integer;
begin
  Result := GetIniInt('IniFile', 'Version', 1, 0, 0, gCurrentUserConfigFile);
end;

// Create a new empty UTF-16LE encoding config file. Used to ensure the config
// file writing routines write in Unicode. This works because built in Inno
// Setup ini functions call Windows API WritePrivateProfileString which only
// writes Unicode if the file it is writing to is detected as Unicode. If not it
// writes ANSI text.
procedure CreateUnicodeConfigFile(FileName: string);
var
  NulLines: TArrayOfString;   // dummy empty string array
begin
  ForceDirectories(ExtractFileDir(FileName));
  SetLength(NulLines, 0);
  WriteStringsToUnicodeFile(FileName, NulLines);
end;

// Copies config files of a previous installation to new installation, updating
// to Unicode format if necessary.
procedure CopyConfigFiles(InstallID: Integer);
var
  OldCommonConfigFile: string;
  OldUserConfigFile: string;
begin
  OldCommonConfigFile := gCommonConfigFiles[InstallID];
  OldUserConfigFile := gUserConfigFiles[InstallID];
  if OldCommonConfigFile <> '' then
  begin
    if IsAnsiConfigFile(InstallID) then
      CopyAnsiToUnicodeConfigFile(OldCommonConfigFile, gCurrentCommonConfigFile)
    else
      CopyUnicodeConfigFiles(OldCommonConfigFile, gCurrentCommonConfigFile);
  end;
  if OldUserConfigFile <> '' then
  begin
    if IsAnsiConfigFile(InstallID) then
      CopyAnsiToUnicodeConfigFile(OldUserConfigFile, gCurrentUserConfigFile)
    else
      CopyUnicodeConfigFiles(OldUserConfigFile, gCurrentUserConfigFile);
  end;
end;

// Updates both common and user config files with correct version information.
// This records both config file versions and (common config file only) version
// number of program being installed.
procedure StampConfigFiles;
begin
  // Flag ini file versions
  if not FileExists(gCurrentUserConfigFile) then
    CreateUnicodeConfigFile(gCurrentUserConfigFile);
  SetIniInt('IniFile', 'Version', 8, gCurrentUserConfigFile);
  if not FileExists(gCurrentCommonConfigFile) then
    CreateUnicodeConfigFile(gCurrentCommonConfigFile);
  SetIniInt('IniFile', 'Version', 6, gCurrentCommonConfigFile);
  // Record application version in common ini file
  SetIniString(
    'Application',
    'Version',
    ExpandConstant('{#AppVersion}'),
    gCurrentCommonConfigFile
  );
end;

// Deletes any highlighter preferences from new installation's user config file.
procedure DeleteHighligherPrefs;
begin
  DeleteIniSection('Prefs:Hiliter', gCurrentUserConfigFile);
end;

// Creates new style per user and common config files from content of single,
// old style config file used before CodeSnip v1.9.
procedure CreateIniFilesFromOldStyle;
var
  I: Integer; // loops thru all highlight elements
begin
  // Create per-user settings file:
  // Copy file
  CopyAnsiToUnicodeConfigFile(
    gUserConfigFiles[piOriginal], gCurrentUserConfigFile
  );
  // Delete unwanted sections:
  // - Application section now in common config file
  // - Source code output format: format lost when updating from CodeSnip pre
  //   1.7 since section was SourceOutput, but format preserved from v1.7 since
  //   current Prefs:SourceCode section used
  // - Highlighting style is deliberately lost since CodeSnip v3 has new default
  //   style and main display uses style, therefore sections HiliteOutput
  //   (pre v1.7.5) and Prefs:Hiliter (v1.7 and later) deleted
  DeleteIniSection('Application', gCurrentUserConfigFile);
  DeleteIniSection('SourceOutput', gCurrentUserConfigFile);
  DeleteIniSection('HiliteOutput', gCurrentUserConfigFile);
  for I := 0 to 11 do
    DeleteIniSection('HiliteOutput:Elem' + IntToStr(I), gCurrentUserConfigFile);
  DeleteHighligherPrefs;
  // Main window's overview tabs have changed in v3: so we reset to 0 (default)
  SetIniInt('MainWindow', 'OverviewTab', 0, gCurrentUserConfigFile);

  // Create common (application specific) settings file
  // Copy file
  CopyAnsiToUnicodeConfigFile(
     gUserConfigFiles[piOriginal], gCurrentCommonConfigFile
  );
  // Delete unwanted sections
  // following sections belong in per-user file
  DeleteIniSection('Cmp:D2', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D3', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D4', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D5', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D6', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D7', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D2005w32', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D2006w32', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:D2007', gCurrentCommonConfigFile);
  DeleteIniSection('Cmp:FPC', gCurrentCommonConfigFile);
  DeleteIniSection('FindCompiler', gCurrentCommonConfigFile);
  DeleteIniSection('FindText', gCurrentCommonConfigFile);
  DeleteIniSection('FindXRefs', gCurrentCommonConfigFile);
  DeleteIniSection('MainWindow', gCurrentCommonConfigFile);
  DeleteIniSection('Prefs:General', gCurrentCommonConfigFile);
  DeleteIniSection('Prefs:Printing', gCurrentCommonConfigFile);
  DeleteIniSection('Prefs:SourceCode', gCurrentCommonConfigFile);
  DeleteIniSection('Prefs:Hiliter', gCurrentCommonConfigFile);
  // following sections may occur when updating from CodeSnip v1.7.5 or earlier
  DeleteIniSection('SourceOutput', gCurrentCommonConfigFile);
  DeleteIniSection('HiliteOutput', gCurrentCommonConfigFile);
  for I := 0 to 11 do
    DeleteIniSection(
      'HiliteOutput:Elem' + IntToStr(I), gCurrentCommonConfigFile
    );
end;

// Adds Prefs:CodeGen section along with default data to new installation's user
// config file.
procedure CreateDefaultCodeGenEntries;
begin
  if not FileExists(gCurrentUserConfigFile) then
    CreateUnicodeConfigFile(gCurrentUserConfigFile);
  SetIniInt(
    'Prefs:CodeGen',
    'SwitchOffWarnings',
    0,
    gCurrentUserConfigFile
  );
  SetIniInt(
    'Prefs:CodeGen',
    'WarningCount',
    8,
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning0.Symbol',
    'UNSAFE_TYPE',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning0.MinCompiler',
    '15.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning1.Symbol',
    'UNSAFE_CAST',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning1.MinCompiler',
    '15.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning2.Symbol',
    'UNSAFE_CODE',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning2.MinCompiler',
    '15.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning3.Symbol',
    'SYMBOL_PLATFORM',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning3.MinCompiler',
    '14.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning4.Symbol',
    'SYMBOL_DEPRECATED',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning4.MinCompiler',
    '14.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning5.Symbol',
    'SYMBOL_LIBRARY',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning5.MinCompiler',
    '14.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning6.Symbol',
    'IMPLICIT_STRING_CAST',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning6.MinCompiler',
    '20.00',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning7.Symbol',
    'EXPLICIT_STRING_CAST',
    gCurrentUserConfigFile
  );
  SetIniString(
    'Prefs:CodeGen',
    'Warning7.MinCompiler',
    '20.00',
    gCurrentUserConfigFile
  );
end;

// Deletes proxt password entry from new installation's user config file.
procedure DeleteProxyPassword;
begin
  if not FileExists(gCurrentUserConfigFile) then
    CreateUnicodeConfigFile(gCurrentUserConfigFile);
  SetIniString(
    'ProxyServer',
    'Password',
    '',
    gCurrentUserConfigFile
  );
end;