public void GetEnvironmentsTest()
{
string text =
@"\begin{equation*}
\begin{env1}text\end{env1}
\begin{env2}
text
%\begin{envCommented}
\begin{env3}
text
\end{env3}
text
\end{env2}
\|f\|_{p(\cdot),w} \le r_{p,q}^w \|f\|_{q(\cdot),w},
\end{equation*}";
var actual = Utils.GetEnvironments(text).ToArray();
var expected = new TextProcessor.Latex.Environment[]
{
new TextProcessor.Latex.Environment(19, @"\begin{env1}", 35, @"\end{env1}", @"env1"),
new TextProcessor.Latex.Environment(102, @"\begin{env3}", 134, @"\end{env3}", @"env3"),
new TextProcessor.Latex.Environment(47, @"\begin{env2}", 156, @"\end{env2}", @"env2"),
new TextProcessor.Latex.Environment(0, @"\begin{equation*}", 228, @"\end{equation*}", @"equation*"),
};
Assert.AreEqual(expected, actual);
}
/// <summary>
/// Reorders biblio items in appearing order and removes orphan biblio items
/// </summary>
/// <param name="sources"></param>
/// <returns>biblioIndex is index in <paramref name="sources" /> of source from which
/// bibliography env was taken. This source is changed and new version of it contains in modBiblio
/// </returns>
public static (int biblioIndex, string modBiblio) ArrangeCites(params string[] sources)
{
// find thebibliography env
Environment bibenv = null;
List <Bibitem> bibitems = null;
string sourceWithBibenv = null;
var citeKeys = new List <string>();
var biblioIndex = -1;
for (var i = 0; i < sources.Length; i++)
{
var source = sources[i];
citeKeys.AddRange(Utils.GetCites(source).SelectMany(c => c.Keys));
if (source.Contains("thebibliography"))
{
biblioIndex = i;
bibenv = Utils.FindEnv(source, "thebibliography");
bibitems = Utils.GetBibitems(source, bibenv);
sourceWithBibenv = source;
}
}
if (biblioIndex == -1)
{
throw new Exception("thebibliography environment not found");
}
var newBibitemList = new List <Bibitem>();
Console.WriteLine("Bib keys in order of appearance:");
foreach (var citeKey in citeKeys)
{
if (newBibitemList.Any(b => b.Key == citeKey))
{
continue;
}
var item = bibitems.Find(b => b.Key == citeKey);
if (item == null)
{
Console.WriteLine($"Warning: not bibitem for cite key {citeKey}");
}
else
{
Console.WriteLine(citeKey);
newBibitemList.Add(item);
}
}
// Replace bibitems in thebibliography environment
var startpos = bibitems.First().Block.StartPos;
var endpos = bibitems.Last().Block.EndPos;
var sb = new StringBuilder(sources[biblioIndex]);
sb.Remove(startpos, endpos - startpos + 1)
.Insert(startpos, String.Join("\r\n", newBibitemList));
return(biblioIndex, sb.ToString());
}
