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-rw-r--r--sca-cpp/trunk/modules/js/htdocs/graph.js455
-rw-r--r--sca-cpp/trunk/modules/js/htdocs/scdl.js39
-rw-r--r--sca-cpp/trunk/modules/js/htdocs/util.js34
3 files changed, 364 insertions, 164 deletions
diff --git a/sca-cpp/trunk/modules/js/htdocs/graph.js b/sca-cpp/trunk/modules/js/htdocs/graph.js
index 2297f550c2..883b3aa801 100644
--- a/sca-cpp/trunk/modules/js/htdocs/graph.js
+++ b/sca-cpp/trunk/modules/js/htdocs/graph.js
@@ -103,6 +103,71 @@ var graph;
if (graph.supportsVML()) {
graph.vmlns='urn:schemas-microsoft-com:vml';
+ document.write('<xml:namespace ns="urn:schemas-microsoft-com:vml" prefix="v" />');
+
+ /**
+ * Make a graph.
+ */
+ graph.mkgraph = function() {
+ var div = document.createElement('div');
+ div.id = 'vmldiv';
+ document.body.appendChild(div);
+
+ var vmlg = document.createElement('v:group');
+ vmlg.style.width = 500;
+ vmlg.style.height = 500;
+ vmlg.coordsize = '500,500';
+ div.appendChild(vmlg);
+
+ graph.dragging = null;
+
+ function draggable(n) {
+ if (n == vmlg)
+ return null;
+ if (n.nodeName == 'group')
+ return n;
+ return draggable(n.parentNode);
+ }
+
+ vmlg.onmousedown = function() {
+ window.event.returnValue = false;
+ graph.dragging = draggable(window.event.srcElement);
+ if (graph.dragging == null)
+ return false;
+ graph.dragging.parentNode.appendChild(graph.dragging);
+ graph.dragX = window.event.clientX;
+ graph.dragY = window.event.clientY;
+ vmlg.setCapture();
+ return false;
+ };
+
+ vmlg.onmouseup = function() {
+ if (graph.dragging == null)
+ return false;
+ graph.dragging = null;
+ vmlg.releaseCapture();
+ return false;
+ };
+
+ vmlg.onmousemove = function() {
+ if (graph.dragging == null)
+ return false;
+ var origX = graph.dragging.coordorigin.X;
+ var origY = graph.dragging.coordorigin.Y;
+ var newX = origX - (window.event.clientX - graph.dragX);
+ var newY = origY - (window.event.clientY - graph.dragY);
+ graph.dragX = window.event.clientX;
+ graph.dragY = window.event.clientY;
+ graph.dragging.setAttribute('coordorigin', newX + ' ' + newY);
+ return false;
+ };
+
+ graph.textWidthDiv = document.createElement('span');
+ graph.textWidthDiv.style.visibility = 'hidden'
+ div.appendChild(graph.textWidthDiv);
+
+ return vmlg;
+ };
/**
* Make a shape path.
@@ -141,8 +206,8 @@ if (graph.supportsVML()) {
*/
graph.mktitle = function(t) {
var title = document.createElement('v:textbox');
- title.style.left = '40';
- title.style.top = '30';
+ title.style.left = '25';
+ title.style.top = '5';
title.style.position = 'absolute';
var tnode = document.createTextNode(t);
title.appendChild(tnode);
@@ -154,7 +219,7 @@ if (graph.supportsVML()) {
*/
graph.titlewidth = function(t) {
graph.textWidthDiv.innerHTML = t;
- var twidth = textWidthDiv.offsetWidth + 10;
+ var twidth = graph.textWidthDiv.offsetWidth;
graph.textWidthDiv.innerHTML = '';
return twidth;
};
@@ -162,18 +227,18 @@ if (graph.supportsVML()) {
/**
* Make a component shape.
*/
- graph.mkcompshape = function(name, color, tsvcs, lsvcs, brefs, rrefs) {
+ graph.mkcompshape = function(comp, cassoc) {
+ var name = scdl.name(comp);
var title = graph.mktitle(name);
- var twidth = graph.titlewidth(name);
- var d = graph.mkcomppath(twidth, tsvcs, lsvcs, brefs, rrefs).str();
+ var d = graph.mkcomppath(comp, cassoc).str();
var shape = document.createElement('v:shape');
shape.style.width = 500;
shape.style.height = 500;
shape.coordsize = '500,500';
shape.path = d;
- shape.fillcolor = color;
+ shape.fillcolor = graph.color(comp);
shape.stroked = 'false';
var contour = document.createElement('v:shape');
@@ -199,81 +264,87 @@ if (graph.supportsVML()) {
g.appendChild(title);
return g;
};
+}
+
+/**
+ * SVG rendering.
+ */
+if (graph.supportsSVG()) {
+
+ graph.svgns='http://www.w3.org/2000/svg';
/**
* Make a graph.
*/
graph.mkgraph = function() {
var div = document.createElement('div');
- div.id = 'vmldiv';
+ div.id = 'svgdiv';
document.body.appendChild(div);
- graph.textWidthDiv = document.createElement('span');
- graph.textWidthDiv.style.visibility = 'hidden'
- div.appendChild(graph.textWidthDiv);
-
- var vmlg = document.createElement('v:group');
- vmlg.style.width = 500;
- vmlg.style.height = 500;
- vmlg.coordsize = '500,500';
- div.appendChild(vmlg);
+ var svg = document.createElementNS(graph.svgns, 'svg');
+ svg.style.height = '100%';
+ svg.style.width = '100%';
+ div.appendChild(svg);
graph.dragging = null;
function draggable(n) {
- if (n == vmlg)
+ if (n == svg)
return null;
- if (n.nodeName == 'group')
+ if (n.nodeName == 'g')
return n;
return draggable(n.parentNode);
}
- vmlg.onmousedown = function() {
- window.event.returnValue = false;
- graph.dragging = draggable(window.event.srcElement);
+ svg.onmousedown = function(e) {
+ if (e.preventDefault)
+ e.preventDefault();
+ else
+ e.returnValue= false;
+ graph.dragging = draggable(e.target);
if (graph.dragging == null)
return false;
graph.dragging.parentNode.appendChild(graph.dragging);
- graph.dragX = window.event.clientX;
- graph.dragY = window.event.clientY;
- vmlg.setCapture();
+ var pos = typeof e.touches != "undefined" ? e.touches[0] : e;
+ graph.dragX = pos.clientX;
+ graph.dragY = pos.clientY;
return false;
};
- vmlg.onmouseup = function() {
+ svg.ontouchstart = svg.onmousedown;
+
+ svg.onmouseup = function(e) {
if (graph.dragging == null)
return false;
graph.dragging = null;
- vmlg.releaseCapture();
return false;
};
- vmlg.onmousemove = function() {
+ svg.ontouchend = svg.onmouseup;
+
+ svg.onmousemove = function(e) {
if (graph.dragging == null)
return false;
- var origX = graph.dragging.coordorigin.X;
- var origY = graph.dragging.coordorigin.Y;
- var newX = origX - (window.event.clientX - graph.dragX);
- var newY = origY - (window.event.clientY - graph.dragY);
- graph.dragX = window.event.clientX;
- graph.dragY = window.event.clientY;
- graph.dragging.setAttribute('coordorigin', newX + ' ' + newY);
+ var matrix = graph.dragging.getCTM();
+ var pos = typeof e.touches != "undefined" ? e.touches[0] : e;
+ var newX = Number(matrix.e) + (pos.clientX - graph.dragX);
+ var newY = Number(matrix.f) + (pos.clientY - graph.dragY);
+ graph.dragX = pos.clientX;
+ graph.dragY = pos.clientY;
+ graph.dragging.setAttribute('transform', 'translate(' + newX + ',' + newY + ')');
return false;
};
- graph.g = vmlg;
- return vmlg;
- };
-
- document.write('<xml:namespace ns="urn:schemas-microsoft-com:vml" prefix="v" />');
-}
+ svg.ontouchmove = svg.onmousemove;
-/**
- * SVG rendering.
- */
-if (graph.supportsSVG()) {
+ graph.textWidthSvg = document.createElementNS(graph.svgns, 'svg');
+ graph.textWidthSvg.style.visibility = 'hidden';
+ graph.textWidthSvg.style.height = '0px';
+ graph.textWidthSvg.style.width = '0px';
+ div.appendChild(graph.textWidthSvg);
- graph.svgns='http://www.w3.org/2000/svg';
+ return svg;
+ };
/**
* Make a shape path.
@@ -313,25 +384,35 @@ if (graph.supportsSVG()) {
graph.mktitle = function(t) {
var title = document.createElementNS(graph.svgns, 'text');
title.setAttribute('text-anchor', 'start');
- title.setAttribute('x', 40);
- title.setAttribute('y', 50);
+ title.setAttribute('x', 5);
+ title.setAttribute('y', 15);
title.appendChild(document.createTextNode(t));
- graph.g.appendChild(title);
+ graph.textWidthSvg.appendChild(title);
return title;
};
/**
+ * Return a width of a title.
+ */
+ graph.titlewidth = function(t) {
+ var title = graph.mktitle(t);
+ var width = title.getBBox().width;
+ graph.textWidthSvg.removeChild(title);
+ return width;
+ };
+
+ /**
* Make a component shape.
*/
- graph.mkcompshape = function(name, color, tsvcs, lsvcs, brefs, rrefs) {
+ graph.mkcompshape = function(comp, cassoc) {
+ var name = scdl.name(comp);
var title = graph.mktitle(name);
- var twidth = title.getBBox().width;
- var d = graph.mkcomppath(twidth, tsvcs, lsvcs, brefs, rrefs).str();
+ var d = graph.mkcomppath(comp, cassoc).str();
var shape = document.createElementNS(graph.svgns, 'path');
shape.setAttribute('d', d);
- shape.setAttribute('fill', color);
+ shape.setAttribute('fill', graph.color(comp));
var contour = document.createElementNS(graph.svgns, 'path');
contour.setAttribute('d', d);
@@ -347,131 +428,211 @@ if (graph.supportsSVG()) {
g.appendChild(title);
return g;
};
+}
- /**
- * Make a graph.
- */
- graph.mkgraph = function() {
- var div = document.createElement('div');
- div.id = 'svgdiv';
- document.body.appendChild(div);
+/**
+ * Make a reference shape path, positioned to the right of a component shape.
+ */
+graph.mkrrefpath = function(ref, cassoc, path) {
+ var height = graph.refheight(ref, cassoc);
+ var ypos = path.ypos();
+ return path.rline(0,10).rline(0,10).rcurve(0,5,-5,0).rcurve(-5,0,0,-5).rcurve(0,-5,-5,0).rcurve(-5,0,0,5).rline(0,20).rcurve(0,5,5,0).rcurve(5,0,0,-5).rcurve(0,-5,5,0).rcurve(5,0,0,5).line(path.xpos(),ypos + height);
+};
- var svg = document.createElementNS(graph.svgns, 'svg');
- svg.style.height = '100%';
- svg.style.width = '100%';
- div.appendChild(svg);
+/**
+ * Make a reference shape path, positioned at the bottom of a component shape.
+ */
+graph.mkbrefpath = function(ref, cassoc, path) {
+ var width = graph.refwidth(ref, cassoc);
+ var xpos = path.xpos();
+ return path.line(xpos - width + 60,path.ypos()).rline(-10,0).rline(-10,0).rcurve(-5,0,0,-5).rcurve(0,-5,5,0).rcurve(5,0,0,-5).rcurve(0,-5,-5,0).rline(-20,0).rcurve(-5,0,0,5).rcurve(0,5,5,0).rcurve(5,0,0,5).rcurve(0,5,-5,0).line(xpos - width,path.ypos());
+};
- graph.dragging = null;
+/**
+ * Make a service shape path, positioned to the left of a component shape.
+ */
+graph.mklsvcpath = function(svc, path) {
+ var height = 60;
+ var ypos = path.ypos();
+ return path.rline(0,-10).rline(0, -10).rcurve(0,-5,-5,0).rcurve(-5,0,0,5).rcurve(0,5,-5,0).rcurve(-5,0,0,-5).rline(0,-20).rcurve(0,-5,5,0).rcurve(5,0,0,5).rcurve(0,5,5,0).rcurve(5,0,0,-5).line(path.xpos(), ypos - height);
+};
- function draggable(n) {
- if (n == svg)
- return null;
- if (n.nodeName == 'g')
- return n;
- return draggable(n.parentNode);
- }
+/**
+ * Make a service shape path, positioned at the top of a component shape.
+ */
+graph.mktsvcpath = function(svc, path) {
+ var width = 60;
+ var xpos = path.xpos();
+ return path.rline(10,0).rline(10,0).rcurve(5,0,0,-5).rcurve(0,-5,-5,0).rcurve(-5,0,0,-5).rcurve(0,-5,5,0).rline(20,0).rcurve(5,0,0,5).rcurve(0,5,-5,0).rcurve(-5,0,0,5).rcurve(0,5,5,0).line(xpos + width,path.ypos());
+};
- svg.onmousedown = function(e) {
- if (e.preventDefault)
- e.preventDefault();
- else
- e.returnValue= false;
- graph.dragging = draggable(e.target);
- if (graph.dragging == null)
- return false;
- graph.dragging.parentNode.appendChild(graph.dragging);
- var pos = typeof e.touches != "undefined" ? e.touches[0] : e;
- graph.dragX = pos.clientX;
- graph.dragY = pos.clientY;
- return false;
- };
- svg.ontouchstart = svg.onmousedown;
+/**
+ * Return the services and references of a component.
+ */
+graph.tsvcs = function(comp) {
+ return filter(function(s) { return scdl.align(s) == 'top'; }, scdl.services(comp));
+};
- svg.onmouseup = function(e) {
- if (graph.dragging == null)
- return false;
- graph.dragging = null;
- return false;
- };
+graph.lsvcs = function(comp) {
+ return filter(function(s) { var a = scdl.align(s); return a == null || a == 'left'; }, scdl.services(comp));
+};
- svg.ontouchend = svg.onmouseup;
+graph.brefs = function(comp) {
+ return filter(function(r) { return scdl.align(r) == 'bottom'; }, scdl.references(comp));
+};
- svg.onmousemove = function(e) {
- if (graph.dragging == null)
- return false;
- var matrix = graph.dragging.getCTM();
- var pos = typeof e.touches != "undefined" ? e.touches[0] : e;
- var newX = Number(matrix.e) + (pos.clientX - graph.dragX);
- var newY = Number(matrix.f) + (pos.clientY - graph.dragY);
- graph.dragX = pos.clientX;
- graph.dragY = pos.clientY;
- graph.dragging.setAttribute('transform', 'translate(' + newX + ',' + newY + ')');
- return false;
- };
+graph.rrefs = function(comp) {
+ return filter(function(r) { var a = scdl.align(r); return a == null || a == 'right'; }, scdl.references(comp));
+};
- svg.ontouchmove = svg.onmousemove;
+/**
+ * Return the color of a component.
+ */
+graph.color = function(comp) {
+ var c = scdl.color(comp);
+ return c == null? graph.blue : c;
+}
- graph.g = svg;
- return svg;
- };
+/**
+ * Return the height of a reference.
+ */
+graph.refheight = function(ref, cassoc) {
+ var target = assoc(scdl.target(ref), cassoc);
+ if (isNil(target))
+ return 60;
+ return graph.compheight(cadr(target), cassoc);
}
/**
- * Make a reference shape path, positioned to the right of a component shape.
+ * Return the total height of a list of references.
*/
-graph.mkrrefpath = function(path) {
- return path.rline(0,10).rcurve(0,5,-5,0).rcurve(-5,0,0,-5).rcurve(0,-5,-5,0).rcurve(-5,0,0,5).rline(0,20).rcurve(0,5,5,0).rcurve(5,0,0,-5).rcurve(0,-5,5,0).rcurve(5,0,0,5).rline(0,10);
-};
+graph.refsheight = function(refs, cassoc) {
+ if (isNil(refs))
+ return 0;
+ return graph.refheight(car(refs), cassoc) + graph.refsheight(cdr(refs), cassoc);
+}
/**
- * Make a reference shape path, positioned at the bottom of a component shape.
+ * Return the height of a component.
*/
-graph.mkbrefpath = function(path) {
- return path.rline(-10,0).rcurve(-5,0,0,-5).rcurve(0,-5,5,0).rcurve(5,0,0,-5).rcurve(0,-5,-5,0).rline(-20,0).rcurve(-5,0,0,5).rcurve(0,5,5,0).rcurve(5,0,0,5).rcurve(0,5,-5,0).rline(-10,0);
+graph.compheight = function(comp, cassoc) {
+ var lsvcs = graph.lsvcs(comp);
+ var lsvcsh = Math.max(1, length(lsvcs)) * 60 + 20;
+ var rrefs = graph.rrefs(comp);
+ var rrefsh = graph.refsheight(rrefs, cassoc) + 20;
+ var height = Math.max(lsvcsh, rrefsh);
+ return height;
};
/**
- * Make a service shape path, positioned to the left of a component shape.
+ * Return the width of a reference.
*/
-graph.mklsvcpath = function(path) {
- return path.rline(0,-10).rcurve(0,-5,-5,0).rcurve(-5,0,0,5).rcurve(0,5,-5,0).rcurve(-5,0,0,-5).rline(0,-20).rcurve(0,-5,5,0).rcurve(5,0,0,5).rcurve(0,5,5,0).rcurve(5,0,0,-5).rline(0,-10);
-};
+graph.refwidth = function(ref, cassoc) {
+ var target = assoc(scdl.target(ref), cassoc);
+ if (isNil(target))
+ return 60;
+ return graph.compwidth(cadr(target), cassoc);
+}
/**
- * Make a service shape path, positioned at the top of a component shape.
+ * Return the total width of a list of references.
*/
-graph.mktsvcpath = function(path) {
- return path.rline(10,0).rcurve(5,0,0,-5).rcurve(0,-5,-5,0).rcurve(-5,0,0,-5).rcurve(0,-5,5,0).rline(20,0).rcurve(5,0,0,5).rcurve(0,5,-5,0).rcurve(-5,0,0,5).rcurve(0,5,5,0).rline(10,0);
-};
+graph.refswidth = function(refs, cassoc) {
+ if (isNil(refs))
+ return 0;
+ return graph.refwidth(car(refs), cassoc) + graph.refswidth(cdr(refs), cassoc);
+}
+/**
+ * Return the width of a component.
+ */
+graph.compwidth = function(comp, cassoc) {
+ var twidth = graph.titlewidth(scdl.name(comp)) + 20;
+ var tsvcs = graph.tsvcs(comp);
+ var tsvcsw = Math.max(1, length(tsvcs)) * 60 + 20;
+ var brefs = graph.brefs(comp);
+ var brefsw = graph.refswidth(brefs, cassoc) + 20;
+ var width = Math.max(twidth, Math.max(tsvcsw, brefsw));
+ return width;
+};
/**
* Make a component shape path.
*/
-graph.mkcomppath = function(twidth, tsvcs, lsvcs, brefs, rrefs) {
- var height = Math.max(lsvcs, rrefs) * 40 + 60;
- var width = Math.max(Math.max(tsvcs, brefs) * 40 + 60, twidth + 20);
-
- var path = graph.mkpath().rmove(40,30).rline(20,0);
- for (var s = 0; s < tsvcs; s++)
- path = graph.mktsvcpath(path);
-
- path = path.line(20 + width,path.ypos()).rcurve(10,0,0,10).rline(0,20);
- for (var r = 0; r < rrefs; r++)
- path = graph.mkrrefpath(path);
-
- var boffset = 10 + 30 + (brefs * 40);
- path = path.line(path.xpos(),20 + height).rcurve(0,10,-10,0).line(20 + boffset, path.ypos());
- for (var r = 0; r < brefs; r++)
- path = graph.mkbrefpath(path);
+graph.mkcomppath = function(comp, cassoc) {
+ var tsvcs = graph.tsvcs(comp);
+ var lsvcs = graph.lsvcs(comp);
+ var brefs = graph.brefs(comp);
+ var rrefs = graph.rrefs(comp);
+
+ var height = graph.compheight(comp, cassoc);
+ var width = graph.compwidth(comp, cassoc);
+
+ var path = graph.mkpath().move(10,0);
+ for (var s = 0; s < length(tsvcs); s++)
+ path = graph.mktsvcpath(tsvcs[s], path);
+
+ path = path.line(width - 10,path.ypos()).rcurve(10,0,0,10);
+ for (var r = 0; r < length(rrefs); r++)
+ path = graph.mkrrefpath(rrefs[r], cassoc, path);
+
+ var boffset = 10 + graph.refswidth(brefs, cassoc);
+ path = path.line(path.xpos(),height - 10).rcurve(0,10,-10,0).line(boffset, path.ypos());
+ for (var r = 0; r < length(brefs); r++)
+ path = graph.mkbrefpath(brefs[r], cassoc, path);
+
+ var loffset = 10 + (length(lsvcs) * 60);
+ path = path.line(10,path.ypos()).rcurve(-10,0,0,-10).line(path.xpos(), loffset);
+ for (var s = 0; s < length(lsvcs); s++)
+ path = graph.mklsvcpath(lsvcs[s], path);
+
+ path = path.line(0,10).rcurve(0,-10,10,0);
+ return path.end();
+};
- var loffset = 10 + 30 + (lsvcs * 40);
- path = path.line(40,path.ypos()).rcurve(-10,0,0,-10).line(path.xpos(), 20 + loffset);
- for (var s = 0; s < lsvcs; s++)
- path = graph.mklsvcpath(path);
+/**
+ * Render a component.
+ */
+graph.component = function(comp, cassoc) {
+ return graph.mkcompshape(comp, cassoc);
+};
- path = path.line(30,40).rcurve(0,-10,10,0);
- return path.end();
+/**
+ * Render a composite.
+ */
+graph.composite = function(compos) {
+ var name = scdl.name(compos);
+ var comps = scdl.components(compos);
+ var cassoc = scdl.nameToElementAssoc(comps);
+
+ function renderReference(ref, cassoc) {
+ var target = assoc(scdl.target(ref), cassoc);
+ if (isNil(target))
+ return mklist();
+ return renderComponent(cadr(target), cassoc);
+ }
+
+ function renderReferences(refs, cassoc) {
+ if (isNil(refs))
+ return mklist();
+ var rref = renderReference(car(refs), cassoc);
+ if (isNil(rref))
+ return renderReferences(cdr(refs), cassoc);
+ return append(rref, renderReferences(cdr(refs), cassoc));
+ }
+
+ function renderComponent(comp, cassoc) {
+ return append(renderReferences(scdl.references(comp), cassoc), mklist(graph.component(comp, cassoc)));
+ }
+
+ function renderComponents(comps, cassoc) {
+ if (isNil(comps))
+ return mklist();
+ return append(renderComponent(car(comps), cassoc), renderComponents(cdr(comps), cassoc));
+ }
+
+ var rcomps = renderComponents(comps, cassoc);
+ return rcomps;
};
diff --git a/sca-cpp/trunk/modules/js/htdocs/scdl.js b/sca-cpp/trunk/modules/js/htdocs/scdl.js
index afdb74ac3b..baba0078fe 100644
--- a/sca-cpp/trunk/modules/js/htdocs/scdl.js
+++ b/sca-cpp/trunk/modules/js/htdocs/scdl.js
@@ -117,19 +117,25 @@ scdl.bindingType = function(l) {
* Returns the target of a reference.
*/
scdl.target = function(l) {
- function bindingsTarget(l) {
- if (isNil(l))
- return null;
- var u = uri(car(l));
- if (!isNil(u))
- return u;
- return bindingsTarget(cdr(l));
+ function targetURI() {
+ function bindingsTarget(l) {
+ if (isNil(l))
+ return null;
+ var u = uri(car(l));
+ if (!isNil(u))
+ return u;
+ return bindingsTarget(cdr(l));
+ }
+
+ var t = namedAttributeValue("'target", l);
+ if (!isNil(t))
+ return t;
+ return bindingsTarget(scdl.bindings(l));
}
-
- var t = namedAttributeValue("'target", l);
- if (!isNil(t))
- return t;
- return bindingsTarget(scdl.bindings(l));
+ var turi = targetURI();
+ if (isNil(turi))
+ return turi;
+ return car(tokens(turi));
};
/**
@@ -146,3 +152,12 @@ scdl.propertyValue = function(l) {
return elementValue(l);
};
+/**
+ * Convert a list of elements to a name -> element assoc list.
+ */
+scdl.nameToElementAssoc = function(l) {
+ if (isNil(l))
+ return l;
+ return cons(mklist(scdl.name(car(l)), car(l)), scdl.nameToElementAssoc(cdr(l)));
+};
+
diff --git a/sca-cpp/trunk/modules/js/htdocs/util.js b/sca-cpp/trunk/modules/js/htdocs/util.js
index da069d7ae6..0f966b180e 100644
--- a/sca-cpp/trunk/modules/js/htdocs/util.js
+++ b/sca-cpp/trunk/modules/js/htdocs/util.js
@@ -109,6 +109,10 @@ function mklist() {
return a;
}
+function length(l) {
+ return l.length;
+}
+
/**
* Scheme-like associations.
*/
@@ -138,14 +142,34 @@ function filter(f, l) {
}
/**
+ * Split a path into a list of segments.
+ */
+function tokens(path) {
+ return filter(function(s) { return length(s) != 0; }, path.split("/"));
+}
+
+/**
+ * Log a value.
+ */
+function log(v) {
+ try {
+ console.log(v);
+ } catch (e) {}
+ return true;
+}
+
+/**
* Dump an object to the debug console.
*/
function debug(o) {
- for (f in o) {
- try {
- console.log(f + '=' + o[f]);
- } catch (e) {}
- }
+ try {
+ for (f in o) {
+ try {
+ console.log(f + '=' + o[f]);
+ } catch (e) {}
+ }
+ } catch (e) {}
+ return true;
}
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 07:27:23 +0000