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Include char in attr

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This commit is contained in:
Florian Mounier
2015-04-14 11:44:49 +02:00
parent ad15c05cf0
commit 53c880964e
2 changed files with 109 additions and 248 deletions
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302
butterfly/static/main.js
View File

@@ -138,16 +138,15 @@
};
Terminal = (function() {
function Terminal(parent1, out1, ctl1) {
function Terminal(parent, out1, ctl1) {
var div, i, px, term_height, term_width;
this.parent = parent1;
this.parent = parent;
this.out = out1;
this.ctl = ctl1 != null ? ctl1 : function() {};
this.context = this.parent.ownerDocument.defaultView;
this.document = this.parent.ownerDocument;
this.body = this.document.getElementsByTagName('body')[0];
this.html_escapes_enabled = this.body.getAttribute('data-allow-html') === 'yes';
this.native_scroll = this.body.getAttribute('data-native-scroll') === 'yes';
this.element = this.document.createElement('div');
this.element.className = 'terminal focus';
this.element.style.outline = 'none';
@@ -159,9 +158,6 @@
this.element.appendChild(div);
this.children = [div];
this.compute_char_size();
if (!this.native_scroll) {
div.style.height = this.char_size.height + 'px';
}
term_width = this.element.getBoundingClientRect().width;
term_height = this.parent.getBoundingClientRect().height;
this.cols = Math.floor(term_width / this.char_size.width);
@@ -172,9 +168,6 @@
i = this.rows - 1;
while (i--) {
div = this.document.createElement('div');
if (!this.native_scroll) {
div.style.height = this.char_size.height + 'px';
}
div.className = 'line';
this.element.appendChild(div);
this.children.push(div);
@@ -188,9 +181,6 @@
this.stop = false;
this.last_cc = 0;
this.reset_vars();
if (!this.native_scroll) {
this.refresh(0, this.rows - 1);
}
this.focus();
this.startBlink();
addEventListener('keydown', this.keyDown.bind(this));
@@ -205,10 +195,14 @@
setTimeout(this.resize.bind(this), 100);
}
Terminal.prototype.cloneAttr = function(a) {
Terminal.prototype.cloneAttr = function(a, char) {
if (char == null) {
char = null;
}
return {
bg: a.bg,
fg: a.fg,
ch: char !== null ? char : a.ch,
bold: a.bold,
underline: a.underline,
blink: a.blink,
@@ -244,6 +238,7 @@
this.defAttr = {
bg: 256,
fg: 257,
ch: " ",
bold: false,
underline: false,
blink: false,
@@ -473,39 +468,28 @@
return;
}
sendButton(ev);
} else {
if (_this.applicationKeypad || _this.native_scroll) {
return true;
}
_this.scroll_display(ev.deltaY > 0 ? 5 : -5);
return cancel(ev);
}
return cancel(ev);
};
})(this));
};
Terminal.prototype.refresh = function(start, end) {
var attr, ch, classes, data, fg, html, i, j, k, l, line, m, out, parent, ref, ref1, ref2, ref3, row, styles, x;
if (!this.native_scroll && end - start >= this.rows / 3) {
parent = this.element.parentNode;
if (parent != null) {
parent.removeChild(this.element);
}
}
var attr, ch, classes, data, fg, html, i, j, k, l, line, m, out, ref, ref1, ref2, ref3, row, styles, x;
end = Math.min(end, this.screen.length - 1);
for (j = k = ref = start, ref1 = end; ref <= ref1 ? k <= ref1 : k >= ref1; j = ref <= ref1 ? ++k : --k) {
row = j + this.ydisp;
line = this.screen[row];
out = "";
if (j === this.y && !this.cursorHidden && (this.native_scroll || this.ydisp === this.ybase || this.selectMode)) {
if (j === this.y && !this.cursorHidden) {
x = this.x;
} else {
x = -Infinity;
}
attr = this.cloneAttr(this.defAttr);
for (i = m = 0, ref2 = this.cols - 1; 0 <= ref2 ? m <= ref2 : m >= ref2; i = 0 <= ref2 ? ++m : --m) {
data = line[i][0];
ch = line[i][1];
data = line[i];
ch = data.ch;
if (!this.equalAttr(data, attr)) {
if (!this.equalAttr(attr, this.defAttr)) {
out += "</span>";
@@ -593,19 +577,14 @@
}
this.children[j].innerHTML = out;
}
if (parent != null) {
parent.appendChild(this.element);
}
if (this.native_scroll) {
ref3 = this.html;
for (l in ref3) {
html = ref3[l];
this.children[l].innerHTML = '';
this.children[l].appendChild(html);
}
this.html = {};
return this.native_scroll_to();
ref3 = this.html;
for (l in ref3) {
html = ref3[l];
this.children[l].innerHTML = '';
this.children[l].appendChild(html);
}
this.html = {};
return this.native_scroll_to();
};
Terminal.prototype._cursorBlink = function() {
@@ -650,40 +629,15 @@
};
Terminal.prototype.scroll = function() {
var row;
if (this.native_scroll) {
if (this.scrollTop !== 0 || this.scrollBottom !== this.rows - 1) {
this.screen.splice(this.scrollTop, 1);
this.screen.splice(this.scrollBottom, 0, this.blank_line());
return this.maxRange();
} else {
this.screen.shift();
this.screen.push(this.blank_line());
this.refreshStart = Math.max(this.refreshStart - 1, 0);
return this.new_line();
}
if (this.scrollTop !== 0 || this.scrollBottom !== this.rows - 1) {
this.screen.splice(this.scrollTop, 1);
this.screen.splice(this.scrollBottom, 0, this.blank_line());
return this.maxRange();
} else {
if (++this.ybase === this.scrollback) {
this.ybase = this.ybase / 2 | 0;
this.screen = this.screen.slice(-(this.ybase + this.rows) + 1);
}
this.ydisp = this.ybase;
row = this.ybase + this.rows - 1;
row -= this.rows - 1 - this.scrollBottom;
if (row === this.screen.length) {
this.screen.push(this.blank_line());
} else {
this.screen.splice(row, 0, this.blank_line());
}
if (this.scrollTop !== 0) {
if (this.ybase !== 0) {
this.ybase--;
this.ydisp = this.ybase;
}
this.screen.splice(this.ybase + this.scrollTop, 1);
}
this.updateRange(this.scrollTop);
return this.updateRange(this.scrollBottom);
this.screen.shift();
this.screen.push(this.blank_line());
this.refreshStart = Math.max(this.refreshStart - 1, 0);
return this.new_line();
}
};
@@ -698,19 +652,7 @@
};
Terminal.prototype.scroll_display = function(disp) {
if (this.native_scroll) {
return this.native_scroll_to(this.parent.scrollTop + disp * this.char_size.height);
} else {
this.ydisp += disp;
if (this.ydisp > this.ybase) {
this.ydisp = this.ybase;
} else {
if (this.ydisp < 0) {
this.ydisp = 0;
}
}
return this.refresh(0, this.rows - 1);
}
return this.native_scroll_to(this.parent.scrollTop + disp * this.char_size.height);
};
Terminal.prototype.new_line = function() {
@@ -734,15 +676,9 @@
};
Terminal.prototype.write = function(data) {
var ch, content, cs, html, i, l, line, pt, ref, ref1, type, valid;
var ch, content, cs, html, i, l, pt, ref, ref1, type, valid;
this.refreshStart = this.y;
this.refreshEnd = this.y;
if (!this.native_scroll) {
if (this.ybase !== this.ydisp) {
this.ydisp = this.ybase;
this.maxRange();
}
}
i = 0;
l = data.length;
while (i < l) {
@@ -787,19 +723,19 @@
ch = this.charset[ch];
}
if (this.x >= this.cols) {
this.screen[this.y + this.ybase][this.x] = [this.cloneAttr(this.curAttr), '\u23CE'];
this.screen[this.y + this.ybase][this.x] = this.cloneAttr(this.curAttr, '\u23CE');
this.x = 0;
this.next_line();
}
this.updateRange(this.y);
this.screen[this.y + this.ybase][this.x] = [this.cloneAttr(this.curAttr), ch];
this.screen[this.y + this.ybase][this.x] = this.cloneAttr(this.curAttr, ch);
this.x++;
if (("\uff00" < ch && ch < "\uffef")) {
if (this.cols < 2 || this.x >= this.cols) {
this.screen[this.y + this.ybase][this.x - 1] = [this.cloneAttr(this.curAttr), " "];
this.screen[this.y + this.ybase][this.x - 1] = this.cloneAttr(this.curAttr, " ");
break;
}
this.screen[this.y + this.ybase][this.x] = [this.cloneAttr(this.curAttr), " "];
this.screen[this.y + this.ybase][this.x] = this.cloneAttr(this.curAttr, " ");
this.x++;
}
}
@@ -1165,34 +1101,18 @@
console.log("HTML escapes are disabled");
break;
}
if (this.native_scroll) {
html = document.createElement('div');
html.classList.add('inline-html');
html.innerHTML = content;
this.html[this.y] = html;
this.updateRange(this.y);
} else {
html = "<div class=\"inline-html\">" + content + "</div>";
this.screen[this.y + this.ybase][this.x] = [this.cloneAttr(this.curAttr), html];
line = 0;
while (line < this.get_html_height_in_lines(html) - 1) {
this.y++;
if (this.y > this.scrollBottom) {
this.y--;
this.scroll();
}
line++;
}
}
html = document.createElement('div');
html.classList.add('inline-html');
html.innerHTML = content;
this.html[this.y] = html;
this.updateRange(this.y);
break;
case "IMAGE":
if (this.native_scroll) {
html = document.createElement('img');
html.classList.add('inline-image');
html.src = "data:image;base64," + content;
this.html[this.y] = html;
this.updateRange(this.y);
}
html = document.createElement('img');
html.classList.add('inline-image');
html.src = "data:image;base64," + content;
this.html[this.y] = html;
this.updateRange(this.y);
break;
case "PROMPT":
this.send(content);
@@ -1478,14 +1398,6 @@
if (!key) {
return true;
}
if (this.prefixMode) {
this.leavePrefix();
return cancel(ev);
}
if (!this.native_scroll && this.selectMode) {
this.keySelect(ev, key);
return cancel(ev);
}
this.showCursor();
this.handler(key);
return cancel(ev);
@@ -1565,7 +1477,7 @@
};
Terminal.prototype.resize = function() {
var ch, el, i, j, line, old_cols, old_rows, px, term_height, term_width;
var el, i, j, line, old_cols, old_rows, px, term_height, term_width;
old_cols = this.cols;
old_rows = this.rows;
this.compute_char_size();
@@ -1580,11 +1492,10 @@
}
this.ctl('Resize', this.cols, this.rows);
if (old_cols < this.cols) {
ch = [this.defAttr, " "];
i = this.screen.length;
while (i--) {
while (this.screen[i].length < this.cols) {
this.screen[i].push(ch);
this.screen[i].push(this.defAttr);
}
}
} else if (old_cols > this.cols) {
@@ -1606,9 +1517,6 @@
if (this.children.length < this.rows) {
line = this.document.createElement("div");
line.className = 'line';
if (!this.native_scroll) {
line.style.height = this.char_size.height + 'px';
}
el.appendChild(line);
this.children.push(line);
}
@@ -1707,26 +1615,21 @@
};
Terminal.prototype.eraseRight = function(x, y) {
var ch, line;
var line;
line = this.screen[this.ybase + y];
ch = [this.eraseAttr(), " "];
while (x < this.cols) {
line[x] = ch;
line[x] = this.eraseAttr();
x++;
}
return this.updateRange(y);
};
Terminal.prototype.eraseLeft = function(x, y) {
var ch, line;
if (!this.native_scroll) {
y += this.ybase;
}
var line;
line = this.screen[this.ybase + y];
ch = [this.eraseAttr(), " "];
x++;
while (x--) {
line[x] = ch;
line[x] = this.eraseAttr();
}
return this.updateRange(y);
};
@@ -1736,13 +1639,12 @@
};
Terminal.prototype.blank_line = function(cur) {
var attr, ch, i, line;
var attr, i, line;
attr = (cur ? this.eraseAttr() : this.defAttr);
ch = [attr, " "];
line = [];
i = 0;
while (i < this.cols + 1) {
line[i] = ch;
line[i] = attr;
i++;
}
return line;
@@ -1750,9 +1652,9 @@
Terminal.prototype.ch = function(cur) {
if (cur) {
return [this.eraseAttr(), " "];
return this.eraseAttr();
} else {
return [this.defAttr, " "];
return this.defAttr;
}
};
@@ -1774,36 +1676,24 @@
};
Terminal.prototype.reverseIndex = function() {
var j, prevNode;
if (this.native_scroll) {
if (this.scrollTop !== 0 || this.scrollBottom !== this.rows - 1) {
this.screen.splice(this.scrollBottom, 1);
this.screen.splice(this.scrollTop, 0, this.blank_line(true));
this.maxRange();
} else {
prevNode = this.children[0].previousElementSibling;
if (prevNode) {
this.children.slice(-1)[0].remove();
this.children.pop();
this.children.unshift(this.children[0].previousElementSibling);
} else {
this.new_line();
}
this.screen.pop();
this.screen.unshift(this.blank_line());
}
var prevNode;
if (this.scrollTop !== 0 || this.scrollBottom !== this.rows - 1) {
this.screen.splice(this.scrollBottom, 1);
this.screen.splice(this.scrollTop, 0, this.blank_line(true));
this.maxRange();
} else {
this.y--;
if (this.y < this.scrollTop) {
this.y++;
this.screen.splice(this.y + this.ybase, 0, this.blank_line(true));
j = this.rows - 1 - this.scrollBottom;
this.screen.splice(this.rows - 1 + this.ybase - j + 1, 1);
this.updateRange(this.scrollTop);
this.updateRange(this.scrollBottom);
prevNode = this.children[0].previousElementSibling;
if (prevNode) {
this.children.slice(-1)[0].remove();
this.children.pop();
this.children.unshift(this.children[0].previousElementSibling);
} else {
this.new_line();
}
this.screen.pop();
this.screen.unshift(this.blank_line());
}
this.maxRange();
return this.state = State.normal;
};
@@ -2028,17 +1918,16 @@
};
Terminal.prototype.insertChars = function(params) {
var ch, j, param, results, row;
var j, param, results, row;
param = params[0];
if (param < 1) {
param = 1;
}
row = this.y + this.ybase;
j = this.x;
ch = [this.eraseAttr(), " "];
results = [];
while (param-- && j < this.cols) {
this.screen[row].splice(j++, 0, ch);
this.screen[row].splice(j++, 0, this.eraseAttr());
results.push(this.screen[row].pop());
}
return results;
@@ -2097,20 +1986,14 @@
};
Terminal.prototype.deleteLines = function(params) {
var j, param, row;
var param, row;
param = params[0];
if (param < 1) {
param = 1;
}
row = this.y + this.ybase;
while (param--) {
if (this.native_scroll) {
this.screen.push(this.blank_line(true));
} else {
j = this.rows - 1 - this.scrollBottom;
j = this.rows - 1 + this.ybase - j;
this.screen.splice(j + 1, 0, this.blank_line(true));
}
this.screen.push(this.blank_line(true));
this.screen.splice(this.y, 1);
}
this.updateRange(this.y);
@@ -2118,33 +2001,31 @@
};
Terminal.prototype.deleteChars = function(params) {
var ch, param, results, row;
var param, results, row;
param = params[0];
if (param < 1) {
param = 1;
}
row = this.y + this.ybase;
ch = [this.eraseAttr(), " "];
results = [];
while (param--) {
this.screen[row].splice(this.x, 1);
results.push(this.screen[row].push(ch));
results.push(this.screen[row].push(this.eraseAttr()));
}
return results;
};
Terminal.prototype.eraseChars = function(params) {
var ch, j, param, results, row;
var j, param, results, row;
param = params[0];
if (param < 1) {
param = 1;
}
row = this.y + this.ybase;
j = this.x;
ch = [this.eraseAttr(), " "];
results = [];
while (param-- && j < this.cols) {
results.push(this.screen[row][j++] = ch);
results.push(this.screen[row][j++] = this.eraseAttr());
}
return results;
};
@@ -2446,7 +2327,7 @@
var ch, line, param, results;
param = params[0] || 1;
line = this.screen[this.ybase + this.y];
ch = line[this.x - 1] || [this.defAttr, " "];
ch = line[this.x - 1] || this.defAttr;
results = [];
while (param--) {
results.push(line[this.x++] = ch);
@@ -2515,7 +2396,7 @@
line = this.screen[this.ybase + t];
i = l;
while (i < r) {
line[i] = [attr, line[i][1]];
line[i] = this.cloneAttr(attr, line[i].ch);
i++;
}
t++;
@@ -2555,7 +2436,7 @@
line = this.screen[this.ybase + t];
i = l;
while (i < r) {
line[i] = [line[i][0], String.fromCharCode(ch)];
line[i] = this.cloneAttr(line[i][0], String.fromCharCode(ch));
i++;
}
t++;
@@ -2570,17 +2451,16 @@
};
Terminal.prototype.eraseRectangle = function(params) {
var b, ch, i, l, line, r, t;
var b, i, l, line, r, t;
t = params[0];
l = params[1];
b = params[2];
r = params[3];
ch = [this.eraseAttr(), " "];
while (t < b + 1) {
line = this.screen[this.ybase + t];
i = l;
while (i < r) {
line[i] = ch;
line[i] = this.eraseAttr();
i++;
}
t++;
@@ -2596,14 +2476,13 @@
Terminal.prototype.requestLocatorPosition = function(params) {};
Terminal.prototype.insertColumns = function() {
var ch, i, l, param;
var i, l, param;
param = params[0];
l = this.ybase + this.rows;
ch = [this.eraseAttr(), " "];
while (param--) {
i = this.ybase;
while (i < l) {
this.screen[i].splice(this.x + 1, 0, ch);
this.screen[i].splice(this.x + 1, 0, this.eraseAttr());
this.screen[i].pop();
i++;
}
@@ -2612,31 +2491,20 @@
};
Terminal.prototype.deleteColumns = function() {
var ch, i, l, param;
var i, l, param;
param = params[0];
l = this.ybase + this.rows;
ch = [this.eraseAttr(), " "];
while (param--) {
i = this.ybase;
while (i < l) {
this.screen[i].splice(this.x, 1);
this.screen[i].push(ch);
this.screen[i].push(this.eraseAttr());
i++;
}
}
return this.maxRange();
};
Terminal.prototype.get_html_height_in_lines = function(html) {
var html_height, temp_node;
temp_node = document.createElement("div");
temp_node.innerHTML = html;
this.element.appendChild(temp_node);
html_height = temp_node.getBoundingClientRect().height;
this.element.removeChild(temp_node);
return Math.ceil(html_height / this.char_size.height);
};
Terminal.prototype.charsets = {
SCLD: {
"`": "◆",

55
coffees/term.coffee
View File

@@ -113,9 +113,10 @@ class Terminal
setTimeout(@resize.bind(@), 100)
cloneAttr: (a) ->
cloneAttr: (a, char=null) ->
bg: a.bg
fg: a.fg
ch: unless char is null then char else a.ch
bold: a.bold
underline: a.underline
blink: a.blink
@@ -123,6 +124,7 @@ class Terminal
invisible: a.invisible
equalAttr: (a, b) ->
# Not testing char
(a.bg is b.bg and a.fg is b.fg and a.bold is b.bold and
a.underline is b.underline and a.blink is b.blink and
a.inverse is b.inverse and a.invisible is b.invisible)
@@ -156,6 +158,7 @@ class Terminal
@defAttr =
bg: 256
fg: 257
ch: " "
bold: false
underline: false
blink: false
@@ -409,8 +412,8 @@ class Terminal
attr = @cloneAttr @defAttr
for i in [0..@cols - 1]
data = line[i][0]
ch = line[i][1]
data = line[i]
ch = data.ch
unless @equalAttr data, attr
out += "</span>" unless @equalAttr attr, @defAttr
unless @equalAttr data, @defAttr
@@ -599,20 +602,20 @@ class Terminal
if ch >= " "
ch = @charset[ch] if @charset?[ch]
if @x >= @cols
@screen[@y + @ybase][@x] = [@cloneAttr(@curAttr), '\u23CE']
@screen[@y + @ybase][@x] = @cloneAttr @curAttr, '\u23CE'
@x = 0
@next_line()
@updateRange @y
@screen[@y + @ybase][@x] = [@cloneAttr(@curAttr), ch]
@screen[@y + @ybase][@x] = @cloneAttr @curAttr, ch
@x++
if "\uff00" < ch < "\uffef"
if @cols < 2 or @x >= @cols
@screen[@y + @ybase][@x - 1] = [@cloneAttr(@curAttr), " "]
@screen[@y + @ybase][@x - 1] = @cloneAttr @curAttr, " "
break
@screen[@y + @ybase][@x] = [@cloneAttr(@curAttr), " "]
@screen[@y + @ybase][@x] = @cloneAttr @curAttr, " "
@x++
when State.escaped
@@ -1442,10 +1445,9 @@ class Terminal
# resize cols
if old_cols < @cols
# does xterm use the default attr?
ch = [@defAttr, " "]
i = @screen.length
while i--
@screen[i].push ch while @screen[i].length < @cols
@screen[i].push @defAttr while @screen[i].length < @cols
else if old_cols > @cols
i = @screen.length
while i--
@@ -1521,19 +1523,17 @@ class Terminal
eraseRight: (x, y) ->
line = @screen[@ybase + y]
# xterm
ch = [@eraseAttr(), " "]
while x < @cols
line[x] = ch
line[x] = @eraseAttr()
x++
@updateRange y
eraseLeft: (x, y) ->
line = @screen[@ybase + y]
# xterm
ch = [@eraseAttr(), " "]
x++
line[x] = ch while x--
line[x] = @eraseAttr() while x--
@updateRange y
eraseLine: (y) ->
@@ -1541,16 +1541,15 @@ class Terminal
blank_line: (cur) ->
attr = (if cur then @eraseAttr() else @defAttr)
ch = [attr, " "]
line = []
i = 0
while i < @cols + 1
line[i] = ch
line[i] = attr
i++
line
ch: (cur) ->
if cur then [@eraseAttr(), " "] else [@defAttr, " "]
if cur then @eraseAttr() else @defAttr
isterm: (term) ->
"#{@termName}".indexOf(term) is 0
@@ -1906,9 +1905,8 @@ class Terminal
row = @y + @ybase
j = @x
# xterm
ch = [@eraseAttr(), " "]
while param-- and j < @cols
@screen[row].splice j++, 0, ch
@screen[row].splice j++, 0, @eraseAttr()
@screen[row].pop()
@@ -1982,10 +1980,9 @@ class Terminal
param = 1 if param < 1
row = @y + @ybase
# xterm
ch = [@eraseAttr(), " "]
while param--
@screen[row].splice @x, 1
@screen[row].push ch
@screen[row].push @eraseAttr()
# CSI Ps X
@@ -1996,8 +1993,7 @@ class Terminal
row = @y + @ybase
j = @x
# xterm
ch = [@eraseAttr(), " "]
@screen[row][j++] = ch while param-- and j < @cols
@screen[row][j++] = @eraseAttr() while param-- and j < @cols
# CSI Pm ` Character Position Absolute
@@ -2488,7 +2484,7 @@ class Terminal
repeatPrecedingCharacter: (params) ->
param = params[0] or 1
line = @screen[@ybase + @y]
ch = line[@x - 1] or [@defAttr, " "]
ch = line[@x - 1] or @defAttr
line[@x++] = ch while param--
@@ -2664,7 +2660,7 @@ class Terminal
line = @screen[@ybase + t]
i = l
while i < r
line[i] = [attr, line[i][1]]
line[i] = @cloneAttr attr, line[i].ch
i++
t++
@@ -2823,7 +2819,7 @@ class Terminal
line = @screen[@ybase + t]
i = l
while i < r
line[i] = [line[i][0], String.fromCharCode(ch)]
line[i] = @cloneAttr line[i][0], String.fromCharCode(ch)
i++
t++
@@ -2856,12 +2852,11 @@ class Terminal
l = params[1]
b = params[2]
r = params[3]
ch = [@eraseAttr(), " "]
while t < b + 1
line = @screen[@ybase + t]
i = l
while i < r
line[i] = ch
line[i] = @eraseAttr()
i++
t++
@@ -2938,11 +2933,10 @@ class Terminal
insertColumns: ->
param = params[0]
l = @ybase + @rows
ch = [@eraseAttr(), " "]
while param--
i = @ybase
while i < l
@screen[i].splice @x + 1, 0, ch
@screen[i].splice @x + 1, 0, @eraseAttr()
@screen[i].pop()
i++
@maxRange()
@@ -2954,12 +2948,11 @@ class Terminal
deleteColumns: ->
param = params[0]
l = @ybase + @rows
ch = [@eraseAttr(), " "]
while param--
i = @ybase
while i < l
@screen[i].splice @x, 1
@screen[i].push ch
@screen[i].push @eraseAttr()
i++
@maxRange()