--- /dev/null
+//------------------------------------
+// generation of an xml description
+//------------------------------------
+#include <map>
+#include <set>
+#include <string>
+
+#include "description.hh"
+#include "Text.hh"
+
+/**
+ * Extracts metdata from a label : 'vol [unit: dB]' -> 'vol' + metadata
+ */
+void extractMetadata(const string& fulllabel, string& label, map<string, set<string> >& metadata)
+{
+ enum {kLabel, kEscape1, kEscape2, kEscape3, kKey, kValue};
+ int state = kLabel; int deep = 0;
+ string key, value;
+
+ for (size_t i=0; i < fulllabel.size(); i++) {
+ char c = fulllabel[i];
+ switch (state) {
+ case kLabel :
+ assert (deep == 0);
+ switch (c) {
+ case '\\' : state = kEscape1; break;
+ case '[' : state = kKey; deep++; break;
+ default : label += c;
+ }
+ break;
+
+ case kEscape1 :
+ label += c;
+ state = kLabel;
+ break;
+
+ case kEscape2 :
+ key += c;
+ state = kKey;
+ break;
+
+ case kEscape3 :
+ value += c;
+ state = kValue;
+ break;
+
+ case kKey :
+ assert (deep > 0);
+ switch (c) {
+ case '\\' : state = kEscape2;
+ break;
+
+ case '[' : deep++;
+ key += c;
+ break;
+
+ case ':' : if (deep == 1) {
+ state = kValue;
+ } else {
+ key += c;
+ }
+ break;
+ case ']' : deep--;
+ if (deep < 1) {
+ metadata[rmWhiteSpaces(key)].insert("");
+ state = kLabel;
+ key="";
+ value="";
+ } else {
+ key += c;
+ }
+ break;
+ default : key += c;
+ }
+ break;
+
+ case kValue :
+ assert (deep > 0);
+ switch (c) {
+ case '\\' : state = kEscape3;
+ break;
+
+ case '[' : deep++;
+ value += c;
+ break;
+
+ case ']' : deep--;
+ if (deep < 1) {
+ metadata[rmWhiteSpaces(key)].insert(rmWhiteSpaces(value));
+ state = kLabel;
+ key="";
+ value="";
+ } else {
+ value += c;
+ }
+ break;
+ default : value += c;
+ }
+ break;
+
+ default :
+ cerr << "ERROR unrecognized state " << state << endl;
+ }
+ }
+ label = rmWhiteSpaces(label);
+}
+
+//------------------------ specific schema -------------------------
+
+string extractName(Tree fulllabel)
+{
+ string name;
+ map<string, set<string> > metadata;
+
+ extractMetadata(tree2str(fulllabel), name, metadata);
+ return name;
+}
+
+
+/**
+ * removes enclosing quotes and transforms '<', '>' and '&' characters
+ */
+static string xmlize(const string& fullsrc)
+{
+ map<string, set<string> > metadata;
+ string dst;
+ string src;
+
+ extractMetadata(fullsrc, src, metadata);
+
+ for (size_t i=0; i<src.size(); i++) {
+ if (src[i] == '"' & (i==0 | i==src.size()-1)) {
+ // nothing to do just skip the quotes
+ } else {
+ switch (src[i]) {
+ case '<' : dst += "<"; break;
+ case '>' : dst += ">"; break;
+ case '&' : dst += "&"; break;
+ default : dst += src[i];
+ }
+ }
+ }
+ return dst;
+}
+
+void Description::print(int n, ostream& fout)
+{
+ list<string>::iterator s;
+ list<int>::iterator t;
+
+ tab(n,fout); fout << "<faust>";
+
+ tab(n+1,fout); fout << "<name>" << xmlize(fName) << "</name>";
+ tab(n+1,fout); fout << "<author>" << xmlize(fAuthor) << "</author>";
+ tab(n+1,fout); fout << "<copyright>" << xmlize(fCopyright) << "</copyright>";
+ tab(n+1,fout); fout << "<license>" << xmlize(fLicense) << "</license>";
+ tab(n+1,fout); fout << "<version>" << xmlize(fVersion) << "</version>";
+ tab(n+1,fout); fout << "<inputs>" << fInputs << "</inputs>";
+ tab(n+1,fout); fout << "<outputs>" << fOutputs << "</outputs>";
+
+ tab(n+1,fout); fout << "<ui>";
+
+ // active widget list
+ tab(n+2,fout); fout << "<activewidgets>";
+ tab(n+3,fout); fout << "<count>" << fActiveWidgetCount << "</count>";
+ for (s = fActiveLines.begin(); s != fActiveLines.end(); s++) {
+ tab(n+3, fout); fout << *s;
+ }
+ tab(n+2,fout); fout << "</activewidgets>";
+
+ tab(n+2,fout);
+
+ // passive widget list
+ tab(n+2,fout); fout << "<passivewidgets>";
+ tab(n+3,fout); fout << "<count>" << fPassiveWidgetCount << "</count>";
+ for (s = fPassiveLines.begin(); s != fPassiveLines.end(); s++) {
+ tab(n+3, fout); fout << *s;
+ }
+ tab(n+2,fout); fout << "</passivewidgets>";
+
+
+ tab(n+2,fout);
+
+ // widget layout
+ tab(n+2,fout); fout << "<layout>";
+ for ( t = fLayoutTabs.begin(), s = fLayoutLines.begin();
+ s != fLayoutLines.end(); t++, s++) {
+ tab(n+3+*t, fout); fout << *s;
+ }
+ tab(n+2,fout); fout << "</layout>";
+
+ tab(n+1,fout); fout << "</ui>";
+
+
+ tab(n,fout); fout << "</faust>" << endl;
+
+}
+
+void Description::ui(Tree t)
+{
+ addGroup(0,t);
+}
+
+
+void Description::addGroup(int level, Tree t)
+{
+ Tree label, elements, varname, sig;
+ const char* groupnames[] = {"vgroup", "hgroup", "tgroup"};
+
+ if (isUiFolder(t, label, elements)) {
+
+ const int orient = tree2int(left(label));
+ const char * str = tree2str(right(label));
+
+ addLayoutLine(level, subst("<group type=\"$0\">", groupnames[orient]));
+ addLayoutLine(level+1, subst("<label>$0</label>", xmlize(str)));
+ while (!isNil(elements)) {
+ addGroup(level+1, right(hd(elements)));
+ elements = tl(elements);
+ }
+ addLayoutLine(level, "</group>");
+
+ } else if (isUiWidget(t, label, varname, sig)) {
+
+ int w = addWidget(label, varname, sig);
+ addLayoutLine(level, subst("<widgetref id=\"$0\" />", T(w)));
+
+ } else {
+
+ fprintf(stderr, "error in user interface generation 2\n");
+ exit(1);
+
+ }
+}
+
+void Description::tab (int n, ostream& fout)
+{
+ fout << '\n';
+ while (n--) fout << '\t';
+}
+
+int Description::addWidget(Tree label, Tree varname, Tree sig)
+{
+ Tree path, c, x, y, z;
+
+ // add an active widget description
+
+ if ( isSigButton(sig, path) ) {
+
+ fWidgetID++;
+ fActiveWidgetCount++;
+ addActiveLine(subst("<widget type=\"button\" id=\"$0\">", T(fWidgetID)));
+ addActiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addActiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addActiveLine("</widget>");
+
+ } else if ( isSigCheckbox(sig, path) ) {
+
+ fWidgetID++;
+ fActiveWidgetCount++;
+ addActiveLine(subst("<widget type=\"checkbox\" id=\"$0\">", T(fWidgetID)));
+ addActiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addActiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addActiveLine("</widget>");
+
+ } else if ( isSigVSlider(sig, path,c,x,y,z) ) {
+
+ fWidgetID++;
+ fActiveWidgetCount++;
+ addActiveLine(subst("<widget type=\"vslider\" id=\"$0\">", T(fWidgetID)));
+ addActiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addActiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addActiveLine(subst("\t<init>$0</init>", T(tree2double(c))));
+ addActiveLine(subst("\t<min>$0</min>", T(tree2double(x))));
+ addActiveLine(subst("\t<max>$0</max>", T(tree2double(y))));
+ addActiveLine(subst("\t<step>$0</step>", T(tree2double(z))));
+ addActiveLine("</widget>");
+
+ } else if ( isSigHSlider(sig, path,c,x,y,z) ) {
+
+ fWidgetID++;
+ fActiveWidgetCount++;
+ addActiveLine(subst("<widget type=\"hslider\" id=\"$0\">", T(fWidgetID)));
+ addActiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addActiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addActiveLine(subst("\t<init>$0</init>", T(tree2double(c))));
+ addActiveLine(subst("\t<min>$0</min>", T(tree2double(x))));
+ addActiveLine(subst("\t<max>$0</max>", T(tree2double(y))));
+ addActiveLine(subst("\t<step>$0</step>", T(tree2double(z))));
+ addActiveLine("</widget>");
+
+ } else if ( isSigNumEntry(sig, path,c,x,y,z) ) {
+
+ fWidgetID++;
+ fActiveWidgetCount++;
+ addActiveLine(subst("<widget type=\"nentry\" id=\"$0\">", T(fWidgetID)));
+ addActiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addActiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addActiveLine(subst("\t<init>$0</init>", T(tree2double(c))));
+ addActiveLine(subst("\t<min>$0</min>", T(tree2double(x))));
+ addActiveLine(subst("\t<max>$0</max>", T(tree2double(y))));
+ addActiveLine(subst("\t<step>$0</step>", T(tree2double(z))));
+ addActiveLine("</widget>");
+
+
+ // add a passive widget description
+
+ } else if ( isSigVBargraph(sig,path,x,y,z) ) {
+
+ fWidgetID++;
+ fPassiveWidgetCount++;
+ addPassiveLine(subst("<widget type=\"vbargraph\" id=\"$0\">", T(fWidgetID)));
+ addPassiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addPassiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addPassiveLine(subst("\t<min>$0</min>", T(tree2double(x))));
+ addPassiveLine(subst("\t<max>$0</max>", T(tree2double(y))));
+ addPassiveLine("</widget>");
+
+ } else if ( isSigHBargraph(sig,path,x,y,z) ) {
+
+ fWidgetID++;
+ fPassiveWidgetCount++;
+ addPassiveLine(subst("<widget type=\"hbargraph\" id=\"$0\">", T(fWidgetID)));
+ addPassiveLine(subst("\t<label>$0</label>", xmlize(tree2str(label))));
+ addPassiveLine(subst("\t<varname>$0</varname>", tree2str(varname)));
+ addPassiveLine(subst("\t<min>$0</min>", T(tree2double(x))));
+ addPassiveLine(subst("\t<max>$0</max>", T(tree2double(y))));
+ addPassiveLine("</widget>");
+
+ } else {
+ fprintf(stderr, "Error describing widget : unrecognized expression\n");
+ exit(1);
+ }
+
+ return fWidgetID;
+}
+
+
+
projects / Faustine.git / blobdiff