1.0-pre1v1.0-pre1

1 files changed, 161 insertions, 0 deletions

diff --git a/xml/string.c b/xml/string.c
new file mode 100644
index 0000000..051a003
--- /dev/null
+++ b/xml/string.c
@@ -0,0 +1,161 @@
+/*
+ *  $Id: string.c,v 1.5 2004/12/08 17:22:28 lordjaxom Exp $
+ */
+
+#include "xml/string.h"
+#include "render.h"
+#include <vdr/tools.h>
+
+static const char *Tokens[__COUNT_TOKEN__] = {
+	"DateTime",
+
+	// Channel Display
+	"ChannelNumber", "ChannelName", "ChannelShortName", "ChannelBouquet", "PresentStartDateTime", 
+	"PresentVPSDateTime", "PresentEndDateTime", "PresentDuration", "PresentProgress", 
+	"PresentTitle", "PresentShortText", "PresentDescription", "FollowingStartDateTime", 
+	"FollowingVPSDateTime", "FollowingEndDateTime", "FollowingDuration",
+	"FollowingTitle", "FollowingShortText", "FollowingDescription", "Language",
+	"HasTeletext", "HasMultilang", "HasDolby", "IsEncrypted", "IsRadio", "IsRecording", "HasVPS", 
+	"HasTimer", "IsRunning",
+	
+	// Volume Display
+	"VolumeCurrent", "VolumeTotal", "IsMute",
+	
+	// Message Display
+	"Message", "MessageStatus", "MessageInfo", "MessageWarning",
+	"MessageError",
+	
+	// Replay Display
+	"ReplayTitle", "ReplayPositionIndex", "ReplayDurationIndex", "ReplayPrompt", "IsPlaying", 
+	"IsFastForward", "IsFastRewind", "IsSlowForward", "IsSlowRewind", "IsPausing",
+	"ReplayPosition", "ReplayDuration", "ReplayMode",
+
+	// Menu Page
+	"MenuTitle", "MenuGroup", "IsMenuGroup", "MenuItem", "IsMenuItem", "MenuCurrent", "IsMenuCurrent",
+	"MenuText", "ButtonRed", "ButtonGreen", "ButtonYellow", "ButtonBlue", "CanScrollUp", 
+	"CanScrollDown"
+};
+
+std::string txToken::Token(const txToken &Token) {
+	std::string result = (std::string)"{" + Tokens[Token.Type];
+	if (Token.Attrib.length() > 0)
+		result += ":" + Token.Attrib;
+	result += "}";
+	
+	return result;
+}
+
+cxString::cxString(void) {
+}
+
+bool cxString::Parse(const std::string &Text) {
+	const char *text = Text.c_str();
+	const char *ptr = text, *last = text;
+	bool inToken = false;
+	bool inAttrib = false;
+	int offset = 0;
+
+	Dprintf("parsing: %s\n", Text.c_str());
+
+	for (; *ptr; ++ptr) {
+		if (inToken && *ptr == '\\') {
+			if (*(ptr + 1) == '\0') {
+				esyslog("ERROR: Stray \\ in token attribute\n");
+				return false;
+			}
+
+			++ptr;
+			continue;
+		} 
+		else if (*ptr == '{') {
+			if (inToken) {
+				esyslog("ERROR: Unexpected '{' in token");
+				return false;
+			}
+
+			mText.append(last, ptr - last);
+			last = ptr + 1;
+			inToken = true;
+		}
+		else if (*ptr == '}' || (inToken && *ptr == ':')) {
+			if (!inToken) {
+				esyslog("ERROR: Unexpected '}' outside of token");
+				return false;
+			}
+
+			if (inAttrib) {
+				if (*ptr == ':') {
+					esyslog("ERROR: Unexpected ':' inside of token attribute");
+					return false;
+				}
+
+				int pos = -1;
+				txToken &lastToken = mTokens[mTokens.size() - 1];
+				lastToken.Attrib.assign(last, ptr - last);
+				while ((pos = lastToken.Attrib.find('\\', pos + 1)) != -1) {
+					switch (lastToken.Attrib[pos + 1]) {
+					case 'n':
+						lastToken.Attrib.replace(pos, 2, "\n");
+						break;
+
+					default:
+						lastToken.Attrib.erase(pos, 1);
+					}
+				}
+
+				inAttrib = false;
+				inToken = false;
+			} else {
+				int i;
+				for (i = 0; i < (int)__COUNT_TOKEN__; ++i) {
+					if ((size_t)(ptr - last) == strlen(Tokens[i]) 
+							&& memcmp(last, Tokens[i], ptr - last) == 0) {
+						txToken token((exToken)i, offset, "");
+						mTokens.push_back(token);
+						break;
+					}
+				}
+
+				if (i == (int)__COUNT_TOKEN__) {
+					esyslog("ERROR: Unexpected token {%.*s}", (int)(ptr - last), last);
+					return false;
+				}
+
+				if (*ptr == ':')
+					inAttrib = true;
+				else
+					inToken = false;
+			}
+
+			last = ptr + 1;
+		}
+		else if (!inToken)
+			++offset;
+	}
+
+	if (inToken) {
+		esyslog("ERROR: Expecting '}' in token");
+		return false;
+	}
+
+	mText.append(last, ptr - last);
+	return true;
+}
+
+cxType cxString::Evaluate(void) const 
+{
+	std::string result;
+	int offset = 0;
+
+	if (mText.length() == 0 && mTokens.size() == 1)
+		return cText2SkinRender::GetToken(mTokens[0]);
+	
+	for (uint i = 0; i < mTokens.size(); ++i) {
+		result.append(mText.c_str() + offset, mTokens[i].Offset - offset);
+		result.append(cText2SkinRender::GetToken(mTokens[i]));
+		offset = mTokens[i].Offset;
+	}
+	result.append(mText.c_str() + offset);
+	return result;
+}
+