334 lines
12 KiB
C#
334 lines
12 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="Scalars.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Services.Protocols {
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using System.Web.Services;
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using System.Collections;
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using System.Globalization;
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using System.Reflection;
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using System;
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using System.Text;
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using System.Threading;
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internal class ScalarFormatter {
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private ScalarFormatter() { }
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internal static string ToString(object value) {
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if (value == null)
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return string.Empty;
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else if (value is string)
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return (string)value;
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else if (value.GetType().IsEnum)
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return EnumToString(value);
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else
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return (string)Convert.ToString(value, CultureInfo.InvariantCulture);
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}
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internal static object FromString(string value, Type type) {
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try {
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if (type == typeof(string))
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return value;
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else if (type.IsEnum)
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return (object)EnumFromString(value, type);
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else
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return Convert.ChangeType(value, type, CultureInfo.InvariantCulture);
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}
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catch (Exception e) {
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if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) {
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throw;
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}
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throw new ArgumentException(Res.GetString(Res.WebChangeTypeFailed, value, type.FullName), "type", e);
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}
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}
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static object EnumFromString(string value, Type type) {
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return Enum.Parse(type, value);
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}
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static string EnumToString(object value) {
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return Enum.Format(value.GetType(), value, "G");
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}
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// We support: whatever Convert supports, and Enums
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internal static bool IsTypeSupported(Type type) {
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if (type.IsEnum) return true;
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return (
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type == typeof(int) ||
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type == typeof(string) ||
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type == typeof(long) ||
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type == typeof(byte) ||
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type == typeof(sbyte) ||
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type == typeof(short) ||
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type == typeof(bool) ||
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type == typeof(char) ||
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type == typeof(float) ||
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type == typeof(decimal) ||
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type == typeof(DateTime) ||
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type == typeof(UInt16) ||
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type == typeof(UInt32) ||
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type == typeof(UInt64) ||
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type == typeof(double));
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}
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}
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internal class UrlEncoder {
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private UrlEncoder() { }
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private const int Max16BitUtf8SequenceLength = 4;
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internal static string EscapeString(string s, Encoding e) {
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return EscapeStringInternal(s, e == null ? new ASCIIEncoding() : e, false);
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}
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internal static string UrlEscapeString(string s, Encoding e) {
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return EscapeStringInternal(s, e == null ? new ASCIIEncoding() : e, true);
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}
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private static string EscapeStringInternal(string s, Encoding e, bool escapeUriStuff) {
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if (s == null) return null;
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byte[] bytes = e.GetBytes(s);
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StringBuilder sb = new StringBuilder(bytes.Length);
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for (int i = 0; i < bytes.Length; i++) {
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byte b = bytes[i];
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char c = (char)b;
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if (b > 0x7f || b < 0x20 || c == '%' || (escapeUriStuff && !IsSafe(c))) {
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HexEscape8(sb, c);
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}
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else {
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sb.Append(c);
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}
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}
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return sb.ToString();
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}
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/*
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// Microsoft: adapted from UrlEscapeStringUnicode below
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internal static string EscapeStringUnicode(string s) {
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int l = s.Length;
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StringBuilder sb = new StringBuilder(l);
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for (int i = 0; i < l; i++) {
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char ch = s[i];
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if ((ch & 0xff80) == 0) {
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sb.Append(ch);
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}
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else {
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HexEscape16(sb, ch);
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}
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}
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return sb.ToString();
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}
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*/
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// Microsoft: copied from System.Web.HttpUtility
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internal static string UrlEscapeStringUnicode(string s) {
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int l = s.Length;
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StringBuilder sb = new StringBuilder(l);
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for (int i = 0; i < l; i++) {
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char ch = s[i];
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if (IsSafe(ch)) {
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sb.Append(ch);
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}
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else if (ch == ' ') {
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sb.Append('+');
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}
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else if ((ch & 0xff80) == 0) { // 7 bit?
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HexEscape8(sb, ch);
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}
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else { // arbitrary Unicode?
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HexEscape16(sb, ch);
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}
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}
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return sb.ToString();
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}
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private static void HexEscape8(StringBuilder sb, char c) {
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sb.Append('%');
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sb.Append(HexUpperChars[(c >> 4) & 0xf]);
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sb.Append(HexUpperChars[(c) & 0xf]);
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}
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private static void HexEscape16(StringBuilder sb, char c) {
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sb.Append("%u");
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sb.Append(HexUpperChars[(c >> 12) & 0xf]);
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sb.Append(HexUpperChars[(c >> 8) & 0xf]);
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sb.Append(HexUpperChars[(c >> 4) & 0xf]);
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sb.Append(HexUpperChars[(c) & 0xf]);
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}
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private static bool IsSafe(char ch) {
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if (ch >= 'a' && ch <= 'z' || ch >= 'A' && ch <= 'Z' || ch >= '0' && ch <= '9')
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return true;
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switch (ch) {
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case '-':
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case '_':
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case '.':
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case '!':
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case '*':
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case '\'':
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case '(':
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case ')':
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return true;
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}
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return false;
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}
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internal static readonly char[] HexUpperChars = {
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
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};
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}
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internal class ContentType {
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private ContentType() { }
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internal const string TextBase = "text";
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internal const string TextXml = "text/xml";
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internal const string TextPlain = "text/plain";
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internal const string TextHtml = "text/html";
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internal const string ApplicationBase = "application";
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internal const string ApplicationXml = "application/xml";
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internal const string ApplicationSoap = "application/soap+xml";
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internal const string ApplicationOctetStream = "application/octet-stream";
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internal const string ContentEncoding = "Content-Encoding";
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// this returns the "base" part of the contentType/mimeType, e.g. the "text/xml" part w/o
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// the ; CharSet=isoxxx part that sometimes follows.
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internal static string GetBase(string contentType) {
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int semi = contentType.IndexOf(';');
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if (semi >= 0) return contentType.Substring(0, semi);
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return contentType;
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}
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// this returns the "type" part of the contentType/mimeType without subtyape
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internal static string GetMediaType(string contentType) {
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string baseCT = GetBase(contentType);
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int tmp = baseCT.IndexOf('/');
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if (tmp >= 0) return baseCT.Substring(0, tmp);
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return baseCT;
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}
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// grabs as follows (and case-insensitive): .*;\s*charset\s*=\s*[\s'"]*(.*)[\s'"]*
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internal static string GetCharset(string contentType) {
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return GetParameter(contentType, "charset");
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}
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internal static string GetAction(string contentType) {
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return GetParameter(contentType, "action");
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}
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private static string GetParameter(string contentType, string paramName) {
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string[] paramDecls = contentType.Split(new char[] { ';' });
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for (int i = 1; i < paramDecls.Length; i++) {
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string paramDecl = paramDecls[i].TrimStart(null);
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if (String.Compare(paramDecl, 0, paramName, 0, paramName.Length, StringComparison.OrdinalIgnoreCase) == 0) {
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int equals = paramDecl.IndexOf('=', paramName.Length);
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if (equals >= 0)
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return paramDecl.Substring(equals + 1).Trim(new char[] { ' ', '\'', '\"', '\t' });
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}
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}
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return null;
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}
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internal static bool MatchesBase(string contentType, string baseContentType) {
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return string.Compare(GetBase(contentType), baseContentType, StringComparison.OrdinalIgnoreCase) == 0;
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}
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internal static bool IsApplication(string contentType) {
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return string.Compare(GetMediaType(contentType), ApplicationBase, StringComparison.OrdinalIgnoreCase) == 0;
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}
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internal static bool IsSoap(string contentType) {
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string type = GetBase(contentType);
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return (String.Compare(type, ContentType.TextXml, StringComparison.OrdinalIgnoreCase) == 0) ||
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(String.Compare(type, ContentType.ApplicationSoap, StringComparison.OrdinalIgnoreCase) == 0);
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}
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internal static bool IsXml(string contentType) {
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string type = GetBase(contentType);
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return (String.Compare(type, ContentType.TextXml, StringComparison.OrdinalIgnoreCase) == 0) ||
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(String.Compare(type, ContentType.ApplicationXml, StringComparison.OrdinalIgnoreCase) == 0);
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}
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internal static bool IsHtml(string contentType) {
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string type = GetBase(contentType);
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return String.Compare(type, ContentType.TextHtml, StringComparison.OrdinalIgnoreCase) == 0;
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}
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internal static string Compose(string contentType, Encoding encoding) {
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return Compose(contentType, encoding, null);
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}
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internal static string Compose(string contentType, Encoding encoding, string action) {
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if (encoding == null && action == null) return contentType;
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StringBuilder sb = new StringBuilder(contentType);
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if (encoding != null) {
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sb.Append("; charset=");
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sb.Append(encoding.WebName);
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}
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if (action != null) {
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sb.Append("; action=\"");
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sb.Append(action);
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sb.Append("\"");
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}
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return sb.ToString();
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}
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}
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internal class MemberHelper {
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private MemberHelper() { }
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static object[] emptyObjectArray = new object[0];
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internal static void SetValue(MemberInfo memberInfo, object target, object value) {
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if (memberInfo is FieldInfo ) {
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((FieldInfo)memberInfo).SetValue(target, value);
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}
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else {
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((PropertyInfo)memberInfo).SetValue(target, value, emptyObjectArray);
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}
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}
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internal static object GetValue(MemberInfo memberInfo, object target) {
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if (memberInfo is FieldInfo) {
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return ((FieldInfo)memberInfo).GetValue(target);
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}
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else {
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return ((PropertyInfo)memberInfo).GetValue(target, emptyObjectArray);
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}
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}
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internal static bool IsStatic(MemberInfo memberInfo) {
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if (memberInfo is FieldInfo)
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return ((FieldInfo)memberInfo).IsStatic;
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else
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return false;
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}
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internal static bool CanRead(MemberInfo memberInfo) {
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if (memberInfo is FieldInfo)
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return true;
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else
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return ((PropertyInfo)memberInfo).CanRead;
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}
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internal static bool CanWrite(MemberInfo memberInfo) {
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if (memberInfo is FieldInfo)
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return true;
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else
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return ((PropertyInfo)memberInfo).CanWrite;
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}
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}
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}
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