public bool TryGetKeyboard(string id, out IKeyboardDefinition keyboard)
{
if (string.IsNullOrEmpty(id))
{
keyboard = null;
return(false);
}
KeyboardDescription kd;
if (_keyboards.TryGet(id, out kd))
{
keyboard = kd;
return(true);
}
string[] parts = id.Split('|');
if (parts.Length == 2)
{
// This is the way Paratext stored IDs in 7.4-7.5 while there was a temporary bug-fix in place)
keyboard = GetKeyboard(parts[0], parts[1]);
if (keyboard != NullKeyboard)
{
return(true);
}
keyboard = null;
return(false);
}
// Handle old Palaso IDs
parts = id.Split('-');
if (parts.Length > 1)
{
for (int i = 1; i < parts.Length; i++)
{
keyboard = GetKeyboard(string.Join("-", parts.Take(i)), string.Join("-", parts.Skip(i)));
if (keyboard != NullKeyboard)
{
return(true);
}
}
}
keyboard = null;
return(false);
}
public override bool Create(string ietfLanguageTag, out WritingSystemDefinition ws)
{
if (_writingSystems.TryGet(ietfLanguageTag, out ws))
{
return(true);
}
ws = ConstructDefinition(ietfLanguageTag);
return(true);
}
internal static IKeyedCollection <string, SldrLanguageTagInfo> ParseAllTags(string allTagsContent)
{
string[] allTags = allTagsContent.Replace("\r\n", "\n").Split(new[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
var tags = new KeyedList <string, SldrLanguageTagInfo>(info => info.LanguageTag, StringComparer.InvariantCultureIgnoreCase);
foreach (string line in allTags)
{
string tagsStr = line;
// trim off the explicit inheritance relationship information, we don't care about inheritance
int index = line.LastIndexOf('>');
if (index != -1)
{
tagsStr = line.Substring(0, index).Trim();
}
// split the the line into groups of equivalent language tags
// the bar character is used to show implicit inheritance relationships between tags,
// we don't care about inheritance
string[] equivalentTagsStrs = tagsStr.Split('|');
foreach (string equivalentTagsStr in equivalentTagsStrs)
{
// split each group of equivalent language tags into individual language tags
string[] tagStrs = equivalentTagsStr.Split('=');
for (int i = 0; i < tagStrs.Length; i++)
{
tagStrs[i] = tagStrs[i].Trim();
}
// check if language tag is available in the SLDR
bool isAvailable = tagStrs[0].StartsWith("*");
if (isAvailable)
{
tagStrs[0] = tagStrs[0].Substring(1);
}
string sldrLangTag = tagStrs[0];
// check if a tag with a script code is equivalent to a tag without a script code
// this tells us that the script is implicit
string langTag, implicitStringCode;
if (equivalentTagsStrs.Length == 1 && tagStrs.Length == 1)
{
// special case where there is a single tag on a line
// if it contains a script code, then the script is implicit
string[] components = tagStrs[0].Split('-');
if (components.Length == 2 && components[1].Length == 4)
{
langTag = components[0];
implicitStringCode = components[1];
}
else
{
langTag = tagStrs[0];
implicitStringCode = null;
}
}
else
{
var minTag = tagStrs.Select(t => new { Tag = t, Components = t.Split('-') }).MinBy(t => t.Components.Length);
langTag = minTag.Tag;
implicitStringCode = null;
// only look for an implicit script code if the minimal tag has no script code
if (minTag.Components.Length < 2 || minTag.Components[1].Length != 4)
{
foreach (string tagStr in tagStrs)
{
string[] components = tagStr.Split('-');
if (components.Length == minTag.Components.Length + 1 && components[1].Length == 4)
{
implicitStringCode = components[1];
}
}
}
}
SldrLanguageTagInfo existingTag;
if (tags.TryGet(langTag, out existingTag))
{
// alltags.txt can contain multiple lines that contain the same language tag.
// if one of the lines contains information on an implicit script for a language tag,
// we don't want to lose that information, so we preserve it by not replacing the
// SldrLanguageTagInfo object for this language tag.
if (existingTag.ImplicitScriptCode != null)
{
continue;
}
tags.Remove(langTag);
}
tags.Add(new SldrLanguageTagInfo(langTag, implicitStringCode, sldrLangTag, isAvailable));
}
}
return(tags);
}
internal static IKeyedCollection<string, SldrLanguageTagInfo> ParseAllTags(string allTagsContent)
{
string[] allTags = allTagsContent.Replace("\r\n", "\n").Split(new[] {"\n"}, StringSplitOptions.RemoveEmptyEntries);
var tags = new KeyedList<string, SldrLanguageTagInfo>(info => info.LanguageTag, StringComparer.InvariantCultureIgnoreCase);
foreach (string line in allTags)
{
string tagsStr = line;
// trim off the explicit inheritance relationship information, we don't care about inheritance
int index = line.LastIndexOf('>');
if (index != -1)
tagsStr = line.Substring(0, index).Trim();
// split the the line into groups of equivalent language tags
// the bar character is used to show implicit inheritance relationships between tags,
// we don't care about inheritance
string[] equivalentTagsStrs = tagsStr.Split('|');
foreach (string equivalentTagsStr in equivalentTagsStrs)
{
// split each group of equivalent language tags into individual language tags
string[] tagStrs = equivalentTagsStr.Split('=');
for (int i = 0; i < tagStrs.Length; i++)
tagStrs[i] = tagStrs[i].Trim();
// check if language tag is available in the SLDR
bool isAvailable = tagStrs[0].StartsWith("*");
if (isAvailable)
tagStrs[0] = tagStrs[0].Substring(1);
string sldrLangTag = tagStrs[0];
// check if a tag with a script code is equivalent to a tag without a script code
// this tells us that the script is implicit
string langTag, implicitStringCode;
if (equivalentTagsStrs.Length == 1 && tagStrs.Length == 1)
{
// special case where there is a single tag on a line
// if it contains a script code, then the script is implicit
string[] components = tagStrs[0].Split('-');
if (components.Length == 2 && components[1].Length == 4)
{
langTag = components[0];
implicitStringCode = components[1];
}
else
{
langTag = tagStrs[0];
implicitStringCode = null;
}
}
else
{
var minTag = tagStrs.Select(t => new {Tag = t, Components = t.Split('-')}).MinBy(t => t.Components.Length);
langTag = minTag.Tag;
implicitStringCode = null;
// only look for an implicit script code if the minimal tag has no script code
if (minTag.Components.Length < 2 || minTag.Components[1].Length != 4)
{
foreach (string tagStr in tagStrs)
{
string[] components = tagStr.Split('-');
if (components.Length == minTag.Components.Length + 1 && components[1].Length == 4)
implicitStringCode = components[1];
}
}
}
SldrLanguageTagInfo existingTag;
if (tags.TryGet(langTag, out existingTag))
{
// alltags.txt can contain multiple lines that contain the same language tag.
// if one of the lines contains information on an implicit script for a language tag,
// we don't want to lose that information, so we preserve it by not replacing the
// SldrLanguageTagInfo object for this language tag.
if (existingTag.ImplicitScriptCode != null)
continue;
tags.Remove(langTag);
}
tags.Add(new SldrLanguageTagInfo(langTag, implicitStringCode, sldrLangTag, isAvailable));
}
}
return tags;
}
