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import macros, parseutils
# Generate tags
macro make(names: untyped{nkBracket}): untyped =
result = newStmtList()
for i in 0 .. names.len-1:
result.add newProc(
name = ident($names[i]).postfix("*"),
params = [
ident("string"),
newIdentDefs(
ident("content"),
ident("string")
)
],
body = newStmtList(
parseStmt("reindent(content)")
)
)
iterator lines(value: string): string =
var i = 0
while i < value.len:
var line: string
inc(i, value.parseUntil(line, 0x0A.char, i) + 1)
yield line
proc reindent*(value: string, preset_indent = 0): string =
var indent = -1
# Detect indentation!
for ln in lines(value):
var read = ln.skipWhitespace()
# If the line is empty, ignore it for indentation
if read == ln.len: continue
indent = if indent < 0: read
else: min(indent, read)
# Create a precursor indent as-needed
var precursor = newString(0)
for i in 1 .. preset_indent:
precursor.add(' ')
# Re-indent
result = newString(0)
for ln in lines(value):
var value = ln.substr(indent)
result.add(precursor)
if value.len > 0:
result.add(value)
result.add(0x0A.char)
return result
#Define tags
make([ html, xml, glsl, js, css, rst ])
when isMainModule:
## Test tags
const script = js"""
var x = 5;
console.log(x.toString());
"""
const styles = css"""
.someRule {
width: 500px;
}
"""
const body = html"""
<ul>
<li>1</li>
<li>2</li>
<li>
<a hef="#google">google</a>
</li>
</ul>
"""
const info = xml"""
<item>
<i>1</i>
<i>2</i>
</item>
"""
const shader = glsl"""
void main()
{
gl_Position = gl_ProjectionMatrix
* gl_ModelViewMatrix
* gl_Vertex;
}
"""
echo script
echo styles
echo body
echo info
echo shader
|
