Implemented cCompositeChat::ParseText(), incl. self-test.

src/CompositeChat.cpp

@@ -10,6 +10,96 @@
 
 
 
+#if SELF_TEST
+
+/** A simple self-test that verifies that the composite chat parser is working properly. */
+class SelfTest_CompositeChat
+{
+public:
+	SelfTest_CompositeChat(void)
+	{
+		fprintf(stderr, "cCompositeChat self test...\n");
+		TestParser1();
+		TestParser2();
+		TestParser3();
+		TestParser4();
+		TestParser5();
+		fprintf(stderr, "cCompositeChat self test finished.\n");
+	}
+	
+	void TestParser1(void)
+	{
+		cCompositeChat Msg;
+		Msg.ParseText("Testing @2color codes and http://links parser");
+		const cCompositeChat::cParts & Parts = Msg.GetParts();
+		assert(Parts.size() == 4);
+		assert(Parts[0]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[1]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[2]->m_PartType == cCompositeChat::ptUrl);
+		assert(Parts[3]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[0]->m_Style == "");
+		assert(Parts[1]->m_Style == "@2");
+		assert(Parts[2]->m_Style == "@2");
+		assert(Parts[3]->m_Style == "@2");
+	}
+	
+	void TestParser2(void)
+	{
+		cCompositeChat Msg;
+		Msg.ParseText("@3Advanced stuff: @5overriding color codes and http://links.with/@4color-in-them handling");
+		const cCompositeChat::cParts & Parts = Msg.GetParts();
+		assert(Parts.size() == 4);
+		assert(Parts[0]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[1]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[2]->m_PartType == cCompositeChat::ptUrl);
+		assert(Parts[3]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[0]->m_Style == "@3");
+		assert(Parts[1]->m_Style == "@5");
+		assert(Parts[2]->m_Style == "@5");
+		assert(Parts[3]->m_Style == "@5");
+	}
+	
+	void TestParser3(void)
+	{
+		cCompositeChat Msg;
+		Msg.ParseText("http://links.starting the text");
+		const cCompositeChat::cParts & Parts = Msg.GetParts();
+		assert(Parts.size() == 2);
+		assert(Parts[0]->m_PartType == cCompositeChat::ptUrl);
+		assert(Parts[1]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[0]->m_Style == "");
+		assert(Parts[1]->m_Style == "");
+	}
+	
+	void TestParser4(void)
+	{
+		cCompositeChat Msg;
+		Msg.ParseText("links finishing the text: http://some.server");
+		const cCompositeChat::cParts & Parts = Msg.GetParts();
+		assert(Parts.size() == 2);
+		assert(Parts[0]->m_PartType == cCompositeChat::ptText);
+		assert(Parts[1]->m_PartType == cCompositeChat::ptUrl);
+		assert(Parts[0]->m_Style == "");
+		assert(Parts[1]->m_Style == "");
+	}
+	
+	void TestParser5(void)
+	{
+		cCompositeChat Msg;
+		Msg.ParseText("http://only.links");
+		const cCompositeChat::cParts & Parts = Msg.GetParts();
+		assert(Parts.size() == 1);
+		assert(Parts[0]->m_PartType == cCompositeChat::ptUrl);
+		assert(Parts[0]->m_Style == "");
+	}
+	
+} gTest;
+#endif  // SELF_TEST
+
+
+
+
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cCompositeChat:
 
@@ -101,7 +191,99 @@ void cCompositeChat::AddSuggestCommandPart(const AString & a_Text, const AString
 
 void cCompositeChat::ParseText(const AString & a_ParseText)
 {
-	// TODO
+	size_t len = a_ParseText.length();
+	size_t first = 0;  // First character of the currently parsed block
+	AString CurrentStyle;
+	AString CurrentText;
+	for (size_t i = 0; i < len; i++)
+	{
+		switch (a_ParseText[i])
+		{
+			case '@':
+			{
+				// Color code
+				i++;
+				if (i >= len)
+				{
+					// Not enough following text
+					break;
+				}
+				if (a_ParseText[i] == '@')
+				{
+					// "@@" escape, just put a "@" into the current text and keep parsing as text
+					if (i > first + 1)
+					{
+						CurrentText.append(a_ParseText.c_str() + first, i - first - 1);
+					}
+					first = i + 1;
+					continue;
+				}
+				else
+				{
+					// True color code. Create a part for the CurrentText and start parsing anew:
+					if (i >= first)
+					{
+						CurrentText.append(a_ParseText.c_str() + first, i - first - 1);
+						first = i + 1;
+					}
+					if (!CurrentText.empty())
+					{
+						m_Parts.push_back(new cTextPart(CurrentText, CurrentStyle));
+						CurrentText.clear();
+					}
+					AddStyle(CurrentStyle, a_ParseText.substr(i - 1, 2));
+				}
+				break;
+			}
+			
+			case ':':
+			{
+				const char * LinkPrefixes[] =
+				{
+					"http",
+					"https"
+				};
+				for (size_t Prefix = 0; Prefix < ARRAYCOUNT(LinkPrefixes); Prefix++)
+				{
+					size_t PrefixLen = strlen(LinkPrefixes[Prefix]);
+					if (
+						(i >= first + PrefixLen) &&  // There is enough space in front of the colon for the prefix
+						(strncmp(a_ParseText.c_str() + i - PrefixLen, LinkPrefixes[Prefix], PrefixLen) == 0)  // the prefix matches
+					)
+					{
+						// Add everything before this as a text part:
+						if (i > first + PrefixLen)
+						{
+							CurrentText.append(a_ParseText.c_str() + first, i - first - PrefixLen);
+							first = i - PrefixLen;
+						}
+						if (!CurrentText.empty())
+						{
+							AddTextPart(CurrentText, CurrentStyle);
+							CurrentText.clear();
+						}
+						
+						// Go till the last non-whitespace char in the text:
+						for (; i < len; i++)
+						{
+							if (isspace(a_ParseText[i]))
+							{
+								break;
+							}
+						}
+						AddUrlPart(a_ParseText.substr(first, i - first), a_ParseText.substr(first, i - first), CurrentStyle);
+						first = i;
+						break;
+					}
+				}  // for Prefix - LinkPrefix[]
+				break;
+			}  // case ':'
+		}  // switch (a_ParseText[i])
+	}  // for i - a_ParseText[]
+	if (first < len)
+	{
+		AddTextPart(a_ParseText.substr(first, len - first), CurrentStyle);
+	}
 }
 
 
@@ -117,6 +299,29 @@ void cCompositeChat::SetMessageType(eMessageType a_MessageType)
 
 
 
+void cCompositeChat::AddStyle(AString & a_Style, const AString & a_AddStyle)
+{
+	if (a_AddStyle.empty())
+	{
+		return;
+	}
+	if (a_AddStyle[0] == '@')
+	{
+		size_t idx = a_Style.find('@');
+		if ((idx != AString::npos) && (idx != a_Style.length()))
+		{
+			a_Style.erase(idx, 2);
+		}
+		a_Style.append(a_AddStyle);
+		return;
+	}
+	a_Style.append(a_AddStyle);
+}
+
+
+
+
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cCompositeChat::cBasePart:
 

src/CompositeChat.h

@@ -165,6 +165,11 @@ protected:
 	
 	/** The message type, as indicated by prefixes. */
 	eMessageType m_MessageType;
+	
+	
+	/** Adds a_AddStyle to a_Style; overwrites the existing style if appropriate.
+	If the style already contains something that a_AddStyle overrides, it is erased first. */
+	void AddStyle(AString & a_Style, const AString & a_AddStyle);
 } ;  // tolua_export