VAR/VAR.Json
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Change usage of StringBuilder to TextWriter.

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This commit is contained in:
Valeriano A.R.
2019-11-24 13:52:21 +01:00
parent 09bdde310d
commit c3f3049174
1 changed files with 44 additions and 44 deletions
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88
VAR.Json/JsonWriter.cs
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@@ -1,8 +1,8 @@
using System; using System;
using System.Collections; using System.Collections;
using System.Collections.Generic; using System.Collections.Generic;
using System.IO;
using System.Reflection; using System.Reflection;
using System.Text;
namespace VAR.Json namespace VAR.Json
{ {
@@ -44,7 +44,7 @@ namespace VAR.Json
public override bool Equals(object other) public override bool Equals(object other)
{ {
if(other is JsonWriterConfiguration) if (other is JsonWriterConfiguration)
{ {
return Equals(other as JsonWriterConfiguration); return Equals(other as JsonWriterConfiguration);
} }
@@ -101,52 +101,52 @@ namespace VAR.Json
return false; return false;
} }
private void WriteIndent(StringBuilder sbOutput, int level) private void WriteIndent(TextWriter sbOutput, int level)
{ {
if (!_config.Indent) if (!_config.Indent)
{ {
return; return;
} }
sbOutput.Append('\n'); sbOutput.Write('\n');
if (_config.UseTabForIndent) if (_config.UseTabForIndent)
{ {
for (int i = 0; i < level; i++) { sbOutput.Append('\t'); } for (int i = 0; i < level; i++) { sbOutput.Write('\t'); }
} }
else else
{ {
int n = level * _config.IndentChars; int n = level * _config.IndentChars;
for (int i = 0; i < n; i++) { sbOutput.Append(' '); } for (int i = 0; i < n; i++) { sbOutput.Write(' '); }
} }
} }
private void WriteString(StringBuilder sbOutput, string str) private void WriteString(TextWriter sbOutput, string str)
{ {
sbOutput.Append('"'); sbOutput.Write('"');
char c; char c;
int n = str.Length; int n = str.Length;
for (int i = 0; i < n; i++) for (int i = 0; i < n; i++)
{ {
c = str[i]; c = str[i];
if (c == '"') { sbOutput.Append("\\\""); } if (c == '"') { sbOutput.Write("\\\""); }
else if (c == '\\') { sbOutput.Append("\\\\"); } else if (c == '\\') { sbOutput.Write("\\\\"); }
else if (c == '/') { sbOutput.Append("\\/"); } else if (c == '/') { sbOutput.Write("\\/"); }
else if (c == '\b') { sbOutput.Append("\\b"); } else if (c == '\b') { sbOutput.Write("\\b"); }
else if (c == '\f') { sbOutput.Append("\\f"); } else if (c == '\f') { sbOutput.Write("\\f"); }
else if (c == '\n') { sbOutput.Append("\\n"); } else if (c == '\n') { sbOutput.Write("\\n"); }
else if (c == '\r') { sbOutput.Append("\\r"); } else if (c == '\r') { sbOutput.Write("\\r"); }
else if (c == '\t') { sbOutput.Append("\\t"); } else if (c == '\t') { sbOutput.Write("\\t"); }
else if (c < 32 || c >= 127) { sbOutput.AppendFormat("\\u{0:X04}", (int)c); } else if (c < 32 || c >= 127) { sbOutput.Write("\\u{0:X04}", (int)c); }
else { sbOutput.Append(c); } else { sbOutput.Write(c); }
} }
sbOutput.Append('"'); sbOutput.Write('"');
} }
private void WriteValue(StringBuilder sbOutput, object obj, List<object> parentLevels, bool useReflection) private void WriteValue(TextWriter sbOutput, object obj, List<object> parentLevels, bool useReflection)
{ {
if (obj == null || obj is DBNull) if (obj == null || obj is DBNull)
{ {
// NULL // NULL
sbOutput.Append("null"); sbOutput.Write("null");
} }
else if ( else if (
(obj is float) || (obj is float) ||
@@ -157,7 +157,7 @@ namespace VAR.Json
false) false)
{ {
// Numbers // Numbers
sbOutput.Append(obj.ToString()); sbOutput.Write(obj.ToString());
} }
else if (obj is string) else if (obj is string)
{ {
@@ -167,14 +167,14 @@ namespace VAR.Json
else if (obj is bool) else if (obj is bool)
{ {
// Booleans // Booleans
sbOutput.Append(((bool)obj) ? "true" : "false"); sbOutput.Write(((bool)obj) ? "true" : "false");
} }
else if (obj is DateTime) else if (obj is DateTime)
{ {
// DateTime // DateTime
sbOutput.Append('"'); sbOutput.Write('"');
sbOutput.Append(((DateTime)obj).ToString("yyyy-MM-ddTHH:mm:ssZ")); sbOutput.Write(((DateTime)obj).ToString("yyyy-MM-ddTHH:mm:ssZ"));
sbOutput.Append('"'); sbOutput.Write('"');
} }
else if (obj is IDictionary) else if (obj is IDictionary)
{ {
@@ -200,7 +200,7 @@ namespace VAR.Json
} }
} }
private void WriteList(StringBuilder sbOutput, object obj, List<object> parentLevels) private void WriteList(TextWriter sbOutput, object obj, List<object> parentLevels)
{ {
IEnumerable list = (IEnumerable)obj; IEnumerable list = (IEnumerable)obj;
int n = 0; int n = 0;
@@ -219,13 +219,13 @@ namespace VAR.Json
// Empty // Empty
if (n == 0) if (n == 0)
{ {
sbOutput.Append("[ ]"); sbOutput.Write("[ ]");
return; return;
} }
// Write array // Write array
bool first = true; bool first = true;
sbOutput.Append("[ "); sbOutput.Write("[ ");
if (!isLeaf || n > _config.IndentThresold) if (!isLeaf || n > _config.IndentThresold)
{ {
WriteIndent(sbOutput, parentLevels.Count + 1); WriteIndent(sbOutput, parentLevels.Count + 1);
@@ -234,7 +234,7 @@ namespace VAR.Json
{ {
if (!first) if (!first)
{ {
sbOutput.Append(", "); sbOutput.Write(", ");
if (!isLeaf || n > _config.IndentThresold) if (!isLeaf || n > _config.IndentThresold)
{ {
WriteIndent(sbOutput, parentLevels.Count + 1); WriteIndent(sbOutput, parentLevels.Count + 1);
@@ -249,10 +249,10 @@ namespace VAR.Json
{ {
WriteIndent(sbOutput, parentLevels.Count); WriteIndent(sbOutput, parentLevels.Count);
} }
sbOutput.Append(" ]"); sbOutput.Write(" ]");
} }
private void WriteObject(StringBuilder sbOutput, object obj, List<object> parentLevels) private void WriteObject(TextWriter sbOutput, object obj, List<object> parentLevels)
{ {
IDictionary map = (IDictionary)obj; IDictionary map = (IDictionary)obj;
int n = map.Count; int n = map.Count;
@@ -260,7 +260,7 @@ namespace VAR.Json
// Empty // Empty
if (map.Count == 0) if (map.Count == 0)
{ {
sbOutput.Append("{ }"); sbOutput.Write("{ }");
return; return;
} }
@@ -277,7 +277,7 @@ namespace VAR.Json
// Write object // Write object
bool first = true; bool first = true;
sbOutput.Append("{ "); sbOutput.Write("{ ");
if (!isLeaf || n > _config.IndentThresold) if (!isLeaf || n > _config.IndentThresold)
{ {
WriteIndent(sbOutput, parentLevels.Count + 1); WriteIndent(sbOutput, parentLevels.Count + 1);
@@ -287,7 +287,7 @@ namespace VAR.Json
object value = map[key]; object value = map[key];
if (!first) if (!first)
{ {
sbOutput.Append(", "); sbOutput.Write(", ");
if (!isLeaf || n > _config.IndentThresold) if (!isLeaf || n > _config.IndentThresold)
{ {
WriteIndent(sbOutput, parentLevels.Count + 1); WriteIndent(sbOutput, parentLevels.Count + 1);
@@ -295,7 +295,7 @@ namespace VAR.Json
} }
first = false; first = false;
WriteString(sbOutput, Convert.ToString(key)); WriteString(sbOutput, Convert.ToString(key));
sbOutput.Append(": "); sbOutput.Write(": ");
parentLevels.Add(obj); parentLevels.Add(obj);
WriteValue(sbOutput, value, parentLevels, true); WriteValue(sbOutput, value, parentLevels, true);
parentLevels.Remove(obj); parentLevels.Remove(obj);
@@ -304,10 +304,10 @@ namespace VAR.Json
{ {
WriteIndent(sbOutput, parentLevels.Count); WriteIndent(sbOutput, parentLevels.Count);
} }
sbOutput.Append(" }"); sbOutput.Write(" }");
} }
private void WriteReflectedObject(StringBuilder sbOutput, object obj, List<object> parentLevels) private void WriteReflectedObject(TextWriter sbOutput, object obj, List<object> parentLevels)
{ {
Type type = obj.GetType(); Type type = obj.GetType();
PropertyInfo[] rawProperties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance); PropertyInfo[] rawProperties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
@@ -323,7 +323,7 @@ namespace VAR.Json
// Empty // Empty
if (n == 0) if (n == 0)
{ {
sbOutput.Append("{ }"); sbOutput.Write("{ }");
return; return;
} }
@@ -341,7 +341,7 @@ namespace VAR.Json
// Write object // Write object
bool first = true; bool first = true;
sbOutput.Append("{ "); sbOutput.Write("{ ");
if (!isLeaf || n > _config.IndentThresold) if (!isLeaf || n > _config.IndentThresold)
{ {
WriteIndent(sbOutput, parentLevels.Count + 1); WriteIndent(sbOutput, parentLevels.Count + 1);
@@ -357,7 +357,7 @@ namespace VAR.Json
} }
if (!first) if (!first)
{ {
sbOutput.Append(", "); sbOutput.Write(", ");
if (!isLeaf || n > _config.IndentThresold) if (!isLeaf || n > _config.IndentThresold)
{ {
WriteIndent(sbOutput, parentLevels.Count + 1); WriteIndent(sbOutput, parentLevels.Count + 1);
@@ -365,7 +365,7 @@ namespace VAR.Json
} }
first = false; first = false;
WriteString(sbOutput, property.Name); WriteString(sbOutput, property.Name);
sbOutput.Append(": "); sbOutput.Write(": ");
parentLevels.Add(obj); parentLevels.Add(obj);
if (value != obj && parentLevels.Contains(value) == false) if (value != obj && parentLevels.Contains(value) == false)
{ {
@@ -381,7 +381,7 @@ namespace VAR.Json
{ {
WriteIndent(sbOutput, parentLevels.Count); WriteIndent(sbOutput, parentLevels.Count);
} }
sbOutput.Append(" }"); sbOutput.Write(" }");
} }
#endregion Private methods #endregion Private methods
@@ -390,7 +390,7 @@ namespace VAR.Json
public string Write(object obj) public string Write(object obj)
{ {
StringBuilder sbOutput = new StringBuilder(); StringWriter sbOutput = new StringWriter();
WriteValue(sbOutput, obj, new List<object>(), true); WriteValue(sbOutput, obj, new List<object>(), true);
return sbOutput.ToString(); return sbOutput.ToString();
} }