|
|
# templater.py - template expansion for output
|
|
|
#
|
|
|
# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
|
|
|
import os
|
|
|
import re
|
|
|
import types
|
|
|
|
|
|
from .i18n import _
|
|
|
from . import (
|
|
|
config,
|
|
|
error,
|
|
|
minirst,
|
|
|
parser,
|
|
|
registrar,
|
|
|
revset as revsetmod,
|
|
|
templatefilters,
|
|
|
templatekw,
|
|
|
util,
|
|
|
)
|
|
|
|
|
|
# template parsing
|
|
|
|
|
|
elements = {
|
|
|
# token-type: binding-strength, primary, prefix, infix, suffix
|
|
|
"(": (20, None, ("group", 1, ")"), ("func", 1, ")"), None),
|
|
|
",": (2, None, None, ("list", 2), None),
|
|
|
"|": (5, None, None, ("|", 5), None),
|
|
|
"%": (6, None, None, ("%", 6), None),
|
|
|
")": (0, None, None, None, None),
|
|
|
"+": (3, None, None, ("+", 3), None),
|
|
|
"-": (3, None, ("negate", 10), ("-", 3), None),
|
|
|
"*": (4, None, None, ("*", 4), None),
|
|
|
"/": (4, None, None, ("/", 4), None),
|
|
|
"integer": (0, "integer", None, None, None),
|
|
|
"symbol": (0, "symbol", None, None, None),
|
|
|
"string": (0, "string", None, None, None),
|
|
|
"template": (0, "template", None, None, None),
|
|
|
"end": (0, None, None, None, None),
|
|
|
}
|
|
|
|
|
|
def tokenize(program, start, end, term=None):
|
|
|
"""Parse a template expression into a stream of tokens, which must end
|
|
|
with term if specified"""
|
|
|
pos = start
|
|
|
while pos < end:
|
|
|
c = program[pos]
|
|
|
if c.isspace(): # skip inter-token whitespace
|
|
|
pass
|
|
|
elif c in "(,)%|+-*/": # handle simple operators
|
|
|
yield (c, None, pos)
|
|
|
elif c in '"\'': # handle quoted templates
|
|
|
s = pos + 1
|
|
|
data, pos = _parsetemplate(program, s, end, c)
|
|
|
yield ('template', data, s)
|
|
|
pos -= 1
|
|
|
elif c == 'r' and program[pos:pos + 2] in ("r'", 'r"'):
|
|
|
# handle quoted strings
|
|
|
c = program[pos + 1]
|
|
|
s = pos = pos + 2
|
|
|
while pos < end: # find closing quote
|
|
|
d = program[pos]
|
|
|
if d == '\\': # skip over escaped characters
|
|
|
pos += 2
|
|
|
continue
|
|
|
if d == c:
|
|
|
yield ('string', program[s:pos], s)
|
|
|
break
|
|
|
pos += 1
|
|
|
else:
|
|
|
raise error.ParseError(_("unterminated string"), s)
|
|
|
elif c.isdigit():
|
|
|
s = pos
|
|
|
while pos < end:
|
|
|
d = program[pos]
|
|
|
if not d.isdigit():
|
|
|
break
|
|
|
pos += 1
|
|
|
yield ('integer', program[s:pos], s)
|
|
|
pos -= 1
|
|
|
elif (c == '\\' and program[pos:pos + 2] in (r"\'", r'\"')
|
|
|
or c == 'r' and program[pos:pos + 3] in (r"r\'", r'r\"')):
|
|
|
# handle escaped quoted strings for compatibility with 2.9.2-3.4,
|
|
|
# where some of nested templates were preprocessed as strings and
|
|
|
# then compiled. therefore, \"...\" was allowed. (issue4733)
|
|
|
#
|
|
|
# processing flow of _evalifliteral() at 5ab28a2e9962:
|
|
|
# outer template string -> stringify() -> compiletemplate()
|
|
|
# ------------------------ ------------ ------------------
|
|
|
# {f("\\\\ {g(\"\\\"\")}"} \\ {g("\"")} [r'\\', {g("\"")}]
|
|
|
# ~~~~~~~~
|
|
|
# escaped quoted string
|
|
|
if c == 'r':
|
|
|
pos += 1
|
|
|
token = 'string'
|
|
|
else:
|
|
|
token = 'template'
|
|
|
quote = program[pos:pos + 2]
|
|
|
s = pos = pos + 2
|
|
|
while pos < end: # find closing escaped quote
|
|
|
if program.startswith('\\\\\\', pos, end):
|
|
|
pos += 4 # skip over double escaped characters
|
|
|
continue
|
|
|
if program.startswith(quote, pos, end):
|
|
|
# interpret as if it were a part of an outer string
|
|
|
data = parser.unescapestr(program[s:pos])
|
|
|
if token == 'template':
|
|
|
data = _parsetemplate(data, 0, len(data))[0]
|
|
|
yield (token, data, s)
|
|
|
pos += 1
|
|
|
break
|
|
|
pos += 1
|
|
|
else:
|
|
|
raise error.ParseError(_("unterminated string"), s)
|
|
|
elif c.isalnum() or c in '_':
|
|
|
s = pos
|
|
|
pos += 1
|
|
|
while pos < end: # find end of symbol
|
|
|
d = program[pos]
|
|
|
if not (d.isalnum() or d == "_"):
|
|
|
break
|
|
|
pos += 1
|
|
|
sym = program[s:pos]
|
|
|
yield ('symbol', sym, s)
|
|
|
pos -= 1
|
|
|
elif c == term:
|
|
|
yield ('end', None, pos + 1)
|
|
|
return
|
|
|
else:
|
|
|
raise error.ParseError(_("syntax error"), pos)
|
|
|
pos += 1
|
|
|
if term:
|
|
|
raise error.ParseError(_("unterminated template expansion"), start)
|
|
|
yield ('end', None, pos)
|
|
|
|
|
|
def _parsetemplate(tmpl, start, stop, quote=''):
|
|
|
r"""
|
|
|
>>> _parsetemplate('foo{bar}"baz', 0, 12)
|
|
|
([('string', 'foo'), ('symbol', 'bar'), ('string', '"baz')], 12)
|
|
|
>>> _parsetemplate('foo{bar}"baz', 0, 12, quote='"')
|
|
|
([('string', 'foo'), ('symbol', 'bar')], 9)
|
|
|
>>> _parsetemplate('foo"{bar}', 0, 9, quote='"')
|
|
|
([('string', 'foo')], 4)
|
|
|
>>> _parsetemplate(r'foo\"bar"baz', 0, 12, quote='"')
|
|
|
([('string', 'foo"'), ('string', 'bar')], 9)
|
|
|
>>> _parsetemplate(r'foo\\"bar', 0, 10, quote='"')
|
|
|
([('string', 'foo\\')], 6)
|
|
|
"""
|
|
|
parsed = []
|
|
|
sepchars = '{' + quote
|
|
|
pos = start
|
|
|
p = parser.parser(elements)
|
|
|
while pos < stop:
|
|
|
n = min((tmpl.find(c, pos, stop) for c in sepchars),
|
|
|
key=lambda n: (n < 0, n))
|
|
|
if n < 0:
|
|
|
parsed.append(('string', parser.unescapestr(tmpl[pos:stop])))
|
|
|
pos = stop
|
|
|
break
|
|
|
c = tmpl[n]
|
|
|
bs = (n - pos) - len(tmpl[pos:n].rstrip('\\'))
|
|
|
if bs % 2 == 1:
|
|
|
# escaped (e.g. '\{', '\\\{', but not '\\{')
|
|
|
parsed.append(('string', parser.unescapestr(tmpl[pos:n - 1]) + c))
|
|
|
pos = n + 1
|
|
|
continue
|
|
|
if n > pos:
|
|
|
parsed.append(('string', parser.unescapestr(tmpl[pos:n])))
|
|
|
if c == quote:
|
|
|
return parsed, n + 1
|
|
|
|
|
|
parseres, pos = p.parse(tokenize(tmpl, n + 1, stop, '}'))
|
|
|
parsed.append(parseres)
|
|
|
|
|
|
if quote:
|
|
|
raise error.ParseError(_("unterminated string"), start)
|
|
|
return parsed, pos
|
|
|
|
|
|
def _unnesttemplatelist(tree):
|
|
|
"""Expand list of templates to node tuple
|
|
|
|
|
|
>>> def f(tree):
|
|
|
... print prettyformat(_unnesttemplatelist(tree))
|
|
|
>>> f(('template', []))
|
|
|
('string', '')
|
|
|
>>> f(('template', [('string', 'foo')]))
|
|
|
('string', 'foo')
|
|
|
>>> f(('template', [('string', 'foo'), ('symbol', 'rev')]))
|
|
|
(template
|
|
|
('string', 'foo')
|
|
|
('symbol', 'rev'))
|
|
|
>>> f(('template', [('symbol', 'rev')])) # template(rev) -> str
|
|
|
(template
|
|
|
('symbol', 'rev'))
|
|
|
>>> f(('template', [('template', [('string', 'foo')])]))
|
|
|
('string', 'foo')
|
|
|
"""
|
|
|
if not isinstance(tree, tuple):
|
|
|
return tree
|
|
|
op = tree[0]
|
|
|
if op != 'template':
|
|
|
return (op,) + tuple(_unnesttemplatelist(x) for x in tree[1:])
|
|
|
|
|
|
assert len(tree) == 2
|
|
|
xs = tuple(_unnesttemplatelist(x) for x in tree[1])
|
|
|
if not xs:
|
|
|
return ('string', '') # empty template ""
|
|
|
elif len(xs) == 1 and xs[0][0] == 'string':
|
|
|
return xs[0] # fast path for string with no template fragment "x"
|
|
|
else:
|
|
|
return (op,) + xs
|
|
|
|
|
|
def parse(tmpl):
|
|
|
"""Parse template string into tree"""
|
|
|
parsed, pos = _parsetemplate(tmpl, 0, len(tmpl))
|
|
|
assert pos == len(tmpl), 'unquoted template should be consumed'
|
|
|
return _unnesttemplatelist(('template', parsed))
|
|
|
|
|
|
def _parseexpr(expr):
|
|
|
"""Parse a template expression into tree
|
|
|
|
|
|
>>> _parseexpr('"foo"')
|
|
|
('string', 'foo')
|
|
|
>>> _parseexpr('foo(bar)')
|
|
|
('func', ('symbol', 'foo'), ('symbol', 'bar'))
|
|
|
>>> _parseexpr('foo(')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ParseError: ('not a prefix: end', 4)
|
|
|
>>> _parseexpr('"foo" "bar"')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ParseError: ('invalid token', 7)
|
|
|
"""
|
|
|
p = parser.parser(elements)
|
|
|
tree, pos = p.parse(tokenize(expr, 0, len(expr)))
|
|
|
if pos != len(expr):
|
|
|
raise error.ParseError(_('invalid token'), pos)
|
|
|
return _unnesttemplatelist(tree)
|
|
|
|
|
|
def prettyformat(tree):
|
|
|
return parser.prettyformat(tree, ('integer', 'string', 'symbol'))
|
|
|
|
|
|
def compileexp(exp, context, curmethods):
|
|
|
"""Compile parsed template tree to (func, data) pair"""
|
|
|
t = exp[0]
|
|
|
if t in curmethods:
|
|
|
return curmethods[t](exp, context)
|
|
|
raise error.ParseError(_("unknown method '%s'") % t)
|
|
|
|
|
|
# template evaluation
|
|
|
|
|
|
def getsymbol(exp):
|
|
|
if exp[0] == 'symbol':
|
|
|
return exp[1]
|
|
|
raise error.ParseError(_("expected a symbol, got '%s'") % exp[0])
|
|
|
|
|
|
def getlist(x):
|
|
|
if not x:
|
|
|
return []
|
|
|
if x[0] == 'list':
|
|
|
return getlist(x[1]) + [x[2]]
|
|
|
return [x]
|
|
|
|
|
|
def gettemplate(exp, context):
|
|
|
"""Compile given template tree or load named template from map file;
|
|
|
returns (func, data) pair"""
|
|
|
if exp[0] in ('template', 'string'):
|
|
|
return compileexp(exp, context, methods)
|
|
|
if exp[0] == 'symbol':
|
|
|
# unlike runsymbol(), here 'symbol' is always taken as template name
|
|
|
# even if it exists in mapping. this allows us to override mapping
|
|
|
# by web templates, e.g. 'changelogtag' is redefined in map file.
|
|
|
return context._load(exp[1])
|
|
|
raise error.ParseError(_("expected template specifier"))
|
|
|
|
|
|
def evalfuncarg(context, mapping, arg):
|
|
|
func, data = arg
|
|
|
# func() may return string, generator of strings or arbitrary object such
|
|
|
# as date tuple, but filter does not want generator.
|
|
|
thing = func(context, mapping, data)
|
|
|
if isinstance(thing, types.GeneratorType):
|
|
|
thing = stringify(thing)
|
|
|
return thing
|
|
|
|
|
|
def evalboolean(context, mapping, arg):
|
|
|
"""Evaluate given argument as boolean, but also takes boolean literals"""
|
|
|
func, data = arg
|
|
|
if func is runsymbol:
|
|
|
thing = func(context, mapping, data, default=None)
|
|
|
if thing is None:
|
|
|
# not a template keyword, takes as a boolean literal
|
|
|
thing = util.parsebool(data)
|
|
|
else:
|
|
|
thing = func(context, mapping, data)
|
|
|
if isinstance(thing, bool):
|
|
|
return thing
|
|
|
# other objects are evaluated as strings, which means 0 is True, but
|
|
|
# empty dict/list should be False as they are expected to be ''
|
|
|
return bool(stringify(thing))
|
|
|
|
|
|
def evalinteger(context, mapping, arg, err):
|
|
|
v = evalfuncarg(context, mapping, arg)
|
|
|
try:
|
|
|
return int(v)
|
|
|
except (TypeError, ValueError):
|
|
|
raise error.ParseError(err)
|
|
|
|
|
|
def evalstring(context, mapping, arg):
|
|
|
func, data = arg
|
|
|
return stringify(func(context, mapping, data))
|
|
|
|
|
|
def evalstringliteral(context, mapping, arg):
|
|
|
"""Evaluate given argument as string template, but returns symbol name
|
|
|
if it is unknown"""
|
|
|
func, data = arg
|
|
|
if func is runsymbol:
|
|
|
thing = func(context, mapping, data, default=data)
|
|
|
else:
|
|
|
thing = func(context, mapping, data)
|
|
|
return stringify(thing)
|
|
|
|
|
|
def runinteger(context, mapping, data):
|
|
|
return int(data)
|
|
|
|
|
|
def runstring(context, mapping, data):
|
|
|
return data
|
|
|
|
|
|
def _recursivesymbolblocker(key):
|
|
|
def showrecursion(**args):
|
|
|
raise error.Abort(_("recursive reference '%s' in template") % key)
|
|
|
return showrecursion
|
|
|
|
|
|
def _runrecursivesymbol(context, mapping, key):
|
|
|
raise error.Abort(_("recursive reference '%s' in template") % key)
|
|
|
|
|
|
def runsymbol(context, mapping, key, default=''):
|
|
|
v = mapping.get(key)
|
|
|
if v is None:
|
|
|
v = context._defaults.get(key)
|
|
|
if v is None:
|
|
|
# put poison to cut recursion. we can't move this to parsing phase
|
|
|
# because "x = {x}" is allowed if "x" is a keyword. (issue4758)
|
|
|
safemapping = mapping.copy()
|
|
|
safemapping[key] = _recursivesymbolblocker(key)
|
|
|
try:
|
|
|
v = context.process(key, safemapping)
|
|
|
except TemplateNotFound:
|
|
|
v = default
|
|
|
if callable(v):
|
|
|
return v(**mapping)
|
|
|
return v
|
|
|
|
|
|
def buildtemplate(exp, context):
|
|
|
ctmpl = [compileexp(e, context, methods) for e in exp[1:]]
|
|
|
return (runtemplate, ctmpl)
|
|
|
|
|
|
def runtemplate(context, mapping, template):
|
|
|
for func, data in template:
|
|
|
yield func(context, mapping, data)
|
|
|
|
|
|
def buildfilter(exp, context):
|
|
|
arg = compileexp(exp[1], context, methods)
|
|
|
n = getsymbol(exp[2])
|
|
|
if n in context._filters:
|
|
|
filt = context._filters[n]
|
|
|
return (runfilter, (arg, filt))
|
|
|
if n in funcs:
|
|
|
f = funcs[n]
|
|
|
return (f, [arg])
|
|
|
raise error.ParseError(_("unknown function '%s'") % n)
|
|
|
|
|
|
def runfilter(context, mapping, data):
|
|
|
arg, filt = data
|
|
|
thing = evalfuncarg(context, mapping, arg)
|
|
|
try:
|
|
|
return filt(thing)
|
|
|
except (ValueError, AttributeError, TypeError):
|
|
|
if isinstance(arg[1], tuple):
|
|
|
dt = arg[1][1]
|
|
|
else:
|
|
|
dt = arg[1]
|
|
|
raise error.Abort(_("template filter '%s' is not compatible with "
|
|
|
"keyword '%s'") % (filt.func_name, dt))
|
|
|
|
|
|
def buildmap(exp, context):
|
|
|
func, data = compileexp(exp[1], context, methods)
|
|
|
tfunc, tdata = gettemplate(exp[2], context)
|
|
|
return (runmap, (func, data, tfunc, tdata))
|
|
|
|
|
|
def runmap(context, mapping, data):
|
|
|
func, data, tfunc, tdata = data
|
|
|
d = func(context, mapping, data)
|
|
|
if util.safehasattr(d, 'itermaps'):
|
|
|
diter = d.itermaps()
|
|
|
else:
|
|
|
try:
|
|
|
diter = iter(d)
|
|
|
except TypeError:
|
|
|
if func is runsymbol:
|
|
|
raise error.ParseError(_("keyword '%s' is not iterable") % data)
|
|
|
else:
|
|
|
raise error.ParseError(_("%r is not iterable") % d)
|
|
|
|
|
|
for i in diter:
|
|
|
lm = mapping.copy()
|
|
|
if isinstance(i, dict):
|
|
|
lm.update(i)
|
|
|
lm['originalnode'] = mapping.get('node')
|
|
|
yield tfunc(context, lm, tdata)
|
|
|
else:
|
|
|
# v is not an iterable of dicts, this happen when 'key'
|
|
|
# has been fully expanded already and format is useless.
|
|
|
# If so, return the expanded value.
|
|
|
yield i
|
|
|
|
|
|
def buildnegate(exp, context):
|
|
|
arg = compileexp(exp[1], context, exprmethods)
|
|
|
return (runnegate, arg)
|
|
|
|
|
|
def runnegate(context, mapping, data):
|
|
|
data = evalinteger(context, mapping, data,
|
|
|
_('negation needs an integer argument'))
|
|
|
return -data
|
|
|
|
|
|
def buildarithmetic(exp, context, func):
|
|
|
left = compileexp(exp[1], context, exprmethods)
|
|
|
right = compileexp(exp[2], context, exprmethods)
|
|
|
return (runarithmetic, (func, left, right))
|
|
|
|
|
|
def runarithmetic(context, mapping, data):
|
|
|
func, left, right = data
|
|
|
left = evalinteger(context, mapping, left,
|
|
|
_('arithmetic only defined on integers'))
|
|
|
right = evalinteger(context, mapping, right,
|
|
|
_('arithmetic only defined on integers'))
|
|
|
try:
|
|
|
return func(left, right)
|
|
|
except ZeroDivisionError:
|
|
|
raise error.Abort(_('division by zero is not defined'))
|
|
|
|
|
|
def buildfunc(exp, context):
|
|
|
n = getsymbol(exp[1])
|
|
|
args = [compileexp(x, context, exprmethods) for x in getlist(exp[2])]
|
|
|
if n in funcs:
|
|
|
f = funcs[n]
|
|
|
return (f, args)
|
|
|
if n in context._filters:
|
|
|
if len(args) != 1:
|
|
|
raise error.ParseError(_("filter %s expects one argument") % n)
|
|
|
f = context._filters[n]
|
|
|
return (runfilter, (args[0], f))
|
|
|
raise error.ParseError(_("unknown function '%s'") % n)
|
|
|
|
|
|
# dict of template built-in functions
|
|
|
funcs = {}
|
|
|
|
|
|
templatefunc = registrar.templatefunc(funcs)
|
|
|
|
|
|
@templatefunc('date(date[, fmt])')
|
|
|
def date(context, mapping, args):
|
|
|
"""Format a date. See :hg:`help dates` for formatting
|
|
|
strings. The default is a Unix date format, including the timezone:
|
|
|
"Mon Sep 04 15:13:13 2006 0700"."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "date" is a keyword
|
|
|
raise error.ParseError(_("date expects one or two arguments"))
|
|
|
|
|
|
date = evalfuncarg(context, mapping, args[0])
|
|
|
fmt = None
|
|
|
if len(args) == 2:
|
|
|
fmt = evalstring(context, mapping, args[1])
|
|
|
try:
|
|
|
if fmt is None:
|
|
|
return util.datestr(date)
|
|
|
else:
|
|
|
return util.datestr(date, fmt)
|
|
|
except (TypeError, ValueError):
|
|
|
# i18n: "date" is a keyword
|
|
|
raise error.ParseError(_("date expects a date information"))
|
|
|
|
|
|
@templatefunc('diff([includepattern [, excludepattern]])')
|
|
|
def diff(context, mapping, args):
|
|
|
"""Show a diff, optionally
|
|
|
specifying files to include or exclude."""
|
|
|
if len(args) > 2:
|
|
|
# i18n: "diff" is a keyword
|
|
|
raise error.ParseError(_("diff expects zero, one, or two arguments"))
|
|
|
|
|
|
def getpatterns(i):
|
|
|
if i < len(args):
|
|
|
s = evalstring(context, mapping, args[i]).strip()
|
|
|
if s:
|
|
|
return [s]
|
|
|
return []
|
|
|
|
|
|
ctx = mapping['ctx']
|
|
|
chunks = ctx.diff(match=ctx.match([], getpatterns(0), getpatterns(1)))
|
|
|
|
|
|
return ''.join(chunks)
|
|
|
|
|
|
@templatefunc('files(pattern)')
|
|
|
def files(context, mapping, args):
|
|
|
"""All files of the current changeset matching the pattern. See
|
|
|
:hg:`help patterns`."""
|
|
|
if not len(args) == 1:
|
|
|
# i18n: "files" is a keyword
|
|
|
raise error.ParseError(_("files expects one argument"))
|
|
|
|
|
|
raw = evalstring(context, mapping, args[0])
|
|
|
ctx = mapping['ctx']
|
|
|
m = ctx.match([raw])
|
|
|
files = list(ctx.matches(m))
|
|
|
return templatekw.showlist("file", files, **mapping)
|
|
|
|
|
|
@templatefunc('fill(text[, width[, initialident[, hangindent]]])')
|
|
|
def fill(context, mapping, args):
|
|
|
"""Fill many
|
|
|
paragraphs with optional indentation. See the "fill" filter."""
|
|
|
if not (1 <= len(args) <= 4):
|
|
|
# i18n: "fill" is a keyword
|
|
|
raise error.ParseError(_("fill expects one to four arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
width = 76
|
|
|
initindent = ''
|
|
|
hangindent = ''
|
|
|
if 2 <= len(args) <= 4:
|
|
|
width = evalinteger(context, mapping, args[1],
|
|
|
# i18n: "fill" is a keyword
|
|
|
_("fill expects an integer width"))
|
|
|
try:
|
|
|
initindent = evalstring(context, mapping, args[2])
|
|
|
hangindent = evalstring(context, mapping, args[3])
|
|
|
except IndexError:
|
|
|
pass
|
|
|
|
|
|
return templatefilters.fill(text, width, initindent, hangindent)
|
|
|
|
|
|
@templatefunc('pad(text, width[, fillchar=\' \'[, left=False]])')
|
|
|
def pad(context, mapping, args):
|
|
|
"""Pad text with a
|
|
|
fill character."""
|
|
|
if not (2 <= len(args) <= 4):
|
|
|
# i18n: "pad" is a keyword
|
|
|
raise error.ParseError(_("pad() expects two to four arguments"))
|
|
|
|
|
|
width = evalinteger(context, mapping, args[1],
|
|
|
# i18n: "pad" is a keyword
|
|
|
_("pad() expects an integer width"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
|
|
|
left = False
|
|
|
fillchar = ' '
|
|
|
if len(args) > 2:
|
|
|
fillchar = evalstring(context, mapping, args[2])
|
|
|
if len(args) > 3:
|
|
|
left = evalboolean(context, mapping, args[3])
|
|
|
|
|
|
if left:
|
|
|
return text.rjust(width, fillchar)
|
|
|
else:
|
|
|
return text.ljust(width, fillchar)
|
|
|
|
|
|
@templatefunc('indent(text, indentchars[, firstline])')
|
|
|
def indent(context, mapping, args):
|
|
|
"""Indents all non-empty lines
|
|
|
with the characters given in the indentchars string. An optional
|
|
|
third parameter will override the indent for the first line only
|
|
|
if present."""
|
|
|
if not (2 <= len(args) <= 3):
|
|
|
# i18n: "indent" is a keyword
|
|
|
raise error.ParseError(_("indent() expects two or three arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
indent = evalstring(context, mapping, args[1])
|
|
|
|
|
|
if len(args) == 3:
|
|
|
firstline = evalstring(context, mapping, args[2])
|
|
|
else:
|
|
|
firstline = indent
|
|
|
|
|
|
# the indent function doesn't indent the first line, so we do it here
|
|
|
return templatefilters.indent(firstline + text, indent)
|
|
|
|
|
|
@templatefunc('get(dict, key)')
|
|
|
def get(context, mapping, args):
|
|
|
"""Get an attribute/key from an object. Some keywords
|
|
|
are complex types. This function allows you to obtain the value of an
|
|
|
attribute on these types."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "get" is a keyword
|
|
|
raise error.ParseError(_("get() expects two arguments"))
|
|
|
|
|
|
dictarg = evalfuncarg(context, mapping, args[0])
|
|
|
if not util.safehasattr(dictarg, 'get'):
|
|
|
# i18n: "get" is a keyword
|
|
|
raise error.ParseError(_("get() expects a dict as first argument"))
|
|
|
|
|
|
key = evalfuncarg(context, mapping, args[1])
|
|
|
return dictarg.get(key)
|
|
|
|
|
|
@templatefunc('if(expr, then[, else])')
|
|
|
def if_(context, mapping, args):
|
|
|
"""Conditionally execute based on the result of
|
|
|
an expression."""
|
|
|
if not (2 <= len(args) <= 3):
|
|
|
# i18n: "if" is a keyword
|
|
|
raise error.ParseError(_("if expects two or three arguments"))
|
|
|
|
|
|
test = evalboolean(context, mapping, args[0])
|
|
|
if test:
|
|
|
yield args[1][0](context, mapping, args[1][1])
|
|
|
elif len(args) == 3:
|
|
|
yield args[2][0](context, mapping, args[2][1])
|
|
|
|
|
|
@templatefunc('ifcontains(needle, haystack, then[, else])')
|
|
|
def ifcontains(context, mapping, args):
|
|
|
"""Conditionally execute based
|
|
|
on whether the item "needle" is in "haystack"."""
|
|
|
if not (3 <= len(args) <= 4):
|
|
|
# i18n: "ifcontains" is a keyword
|
|
|
raise error.ParseError(_("ifcontains expects three or four arguments"))
|
|
|
|
|
|
needle = evalstring(context, mapping, args[0])
|
|
|
haystack = evalfuncarg(context, mapping, args[1])
|
|
|
|
|
|
if needle in haystack:
|
|
|
yield args[2][0](context, mapping, args[2][1])
|
|
|
elif len(args) == 4:
|
|
|
yield args[3][0](context, mapping, args[3][1])
|
|
|
|
|
|
@templatefunc('ifeq(expr1, expr2, then[, else])')
|
|
|
def ifeq(context, mapping, args):
|
|
|
"""Conditionally execute based on
|
|
|
whether 2 items are equivalent."""
|
|
|
if not (3 <= len(args) <= 4):
|
|
|
# i18n: "ifeq" is a keyword
|
|
|
raise error.ParseError(_("ifeq expects three or four arguments"))
|
|
|
|
|
|
test = evalstring(context, mapping, args[0])
|
|
|
match = evalstring(context, mapping, args[1])
|
|
|
if test == match:
|
|
|
yield args[2][0](context, mapping, args[2][1])
|
|
|
elif len(args) == 4:
|
|
|
yield args[3][0](context, mapping, args[3][1])
|
|
|
|
|
|
@templatefunc('join(list, sep)')
|
|
|
def join(context, mapping, args):
|
|
|
"""Join items in a list with a delimiter."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "join" is a keyword
|
|
|
raise error.ParseError(_("join expects one or two arguments"))
|
|
|
|
|
|
joinset = args[0][0](context, mapping, args[0][1])
|
|
|
if util.safehasattr(joinset, 'itermaps'):
|
|
|
jf = joinset.joinfmt
|
|
|
joinset = [jf(x) for x in joinset.itermaps()]
|
|
|
|
|
|
joiner = " "
|
|
|
if len(args) > 1:
|
|
|
joiner = evalstring(context, mapping, args[1])
|
|
|
|
|
|
first = True
|
|
|
for x in joinset:
|
|
|
if first:
|
|
|
first = False
|
|
|
else:
|
|
|
yield joiner
|
|
|
yield x
|
|
|
|
|
|
@templatefunc('label(label, expr)')
|
|
|
def label(context, mapping, args):
|
|
|
"""Apply a label to generated content. Content with
|
|
|
a label applied can result in additional post-processing, such as
|
|
|
automatic colorization."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "label" is a keyword
|
|
|
raise error.ParseError(_("label expects two arguments"))
|
|
|
|
|
|
ui = mapping['ui']
|
|
|
thing = evalstring(context, mapping, args[1])
|
|
|
# preserve unknown symbol as literal so effects like 'red', 'bold',
|
|
|
# etc. don't need to be quoted
|
|
|
label = evalstringliteral(context, mapping, args[0])
|
|
|
|
|
|
return ui.label(thing, label)
|
|
|
|
|
|
@templatefunc('latesttag([pattern])')
|
|
|
def latesttag(context, mapping, args):
|
|
|
"""The global tags matching the given pattern on the
|
|
|
most recent globally tagged ancestor of this changeset."""
|
|
|
if len(args) > 1:
|
|
|
# i18n: "latesttag" is a keyword
|
|
|
raise error.ParseError(_("latesttag expects at most one argument"))
|
|
|
|
|
|
pattern = None
|
|
|
if len(args) == 1:
|
|
|
pattern = evalstring(context, mapping, args[0])
|
|
|
|
|
|
return templatekw.showlatesttags(pattern, **mapping)
|
|
|
|
|
|
@templatefunc('localdate(date[, tz])')
|
|
|
def localdate(context, mapping, args):
|
|
|
"""Converts a date to the specified timezone.
|
|
|
The default is local date."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "localdate" is a keyword
|
|
|
raise error.ParseError(_("localdate expects one or two arguments"))
|
|
|
|
|
|
date = evalfuncarg(context, mapping, args[0])
|
|
|
try:
|
|
|
date = util.parsedate(date)
|
|
|
except AttributeError: # not str nor date tuple
|
|
|
# i18n: "localdate" is a keyword
|
|
|
raise error.ParseError(_("localdate expects a date information"))
|
|
|
if len(args) >= 2:
|
|
|
tzoffset = None
|
|
|
tz = evalfuncarg(context, mapping, args[1])
|
|
|
if isinstance(tz, str):
|
|
|
tzoffset, remainder = util.parsetimezone(tz)
|
|
|
if remainder:
|
|
|
tzoffset = None
|
|
|
if tzoffset is None:
|
|
|
try:
|
|
|
tzoffset = int(tz)
|
|
|
except (TypeError, ValueError):
|
|
|
# i18n: "localdate" is a keyword
|
|
|
raise error.ParseError(_("localdate expects a timezone"))
|
|
|
else:
|
|
|
tzoffset = util.makedate()[1]
|
|
|
return (date[0], tzoffset)
|
|
|
|
|
|
@templatefunc('mod(a, b)')
|
|
|
def mod(context, mapping, args):
|
|
|
"""Calculate a mod b such that a / b + a mod b == a"""
|
|
|
if not len(args) == 2:
|
|
|
# i18n: "mod" is a keyword
|
|
|
raise error.ParseError(_("mod expects two arguments"))
|
|
|
|
|
|
func = lambda a, b: a % b
|
|
|
return runarithmetic(context, mapping, (func, args[0], args[1]))
|
|
|
|
|
|
@templatefunc('relpath(path)')
|
|
|
def relpath(context, mapping, args):
|
|
|
"""Convert a repository-absolute path into a filesystem path relative to
|
|
|
the current working directory."""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "relpath" is a keyword
|
|
|
raise error.ParseError(_("relpath expects one argument"))
|
|
|
|
|
|
repo = mapping['ctx'].repo()
|
|
|
path = evalstring(context, mapping, args[0])
|
|
|
return repo.pathto(path)
|
|
|
|
|
|
@templatefunc('revset(query[, formatargs...])')
|
|
|
def revset(context, mapping, args):
|
|
|
"""Execute a revision set query. See
|
|
|
:hg:`help revset`."""
|
|
|
if not len(args) > 0:
|
|
|
# i18n: "revset" is a keyword
|
|
|
raise error.ParseError(_("revset expects one or more arguments"))
|
|
|
|
|
|
raw = evalstring(context, mapping, args[0])
|
|
|
ctx = mapping['ctx']
|
|
|
repo = ctx.repo()
|
|
|
|
|
|
def query(expr):
|
|
|
m = revsetmod.match(repo.ui, expr)
|
|
|
return m(repo)
|
|
|
|
|
|
if len(args) > 1:
|
|
|
formatargs = [evalfuncarg(context, mapping, a) for a in args[1:]]
|
|
|
revs = query(revsetmod.formatspec(raw, *formatargs))
|
|
|
revs = list(revs)
|
|
|
else:
|
|
|
revsetcache = mapping['cache'].setdefault("revsetcache", {})
|
|
|
if raw in revsetcache:
|
|
|
revs = revsetcache[raw]
|
|
|
else:
|
|
|
revs = query(raw)
|
|
|
revs = list(revs)
|
|
|
revsetcache[raw] = revs
|
|
|
|
|
|
return templatekw.showrevslist("revision", revs, **mapping)
|
|
|
|
|
|
@templatefunc('rstdoc(text, style)')
|
|
|
def rstdoc(context, mapping, args):
|
|
|
"""Format ReStructuredText."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "rstdoc" is a keyword
|
|
|
raise error.ParseError(_("rstdoc expects two arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
style = evalstring(context, mapping, args[1])
|
|
|
|
|
|
return minirst.format(text, style=style, keep=['verbose'])
|
|
|
|
|
|
@templatefunc('separate(sep, args)')
|
|
|
def separate(context, mapping, args):
|
|
|
"""Add a separator between non-empty arguments."""
|
|
|
if not args:
|
|
|
# i18n: "separate" is a keyword
|
|
|
raise error.ParseError(_("separate expects at least one argument"))
|
|
|
|
|
|
sep = evalstring(context, mapping, args[0])
|
|
|
first = True
|
|
|
for arg in args[1:]:
|
|
|
argstr = evalstring(context, mapping, arg)
|
|
|
if not argstr:
|
|
|
continue
|
|
|
if first:
|
|
|
first = False
|
|
|
else:
|
|
|
yield sep
|
|
|
yield argstr
|
|
|
|
|
|
@templatefunc('shortest(node, minlength=4)')
|
|
|
def shortest(context, mapping, args):
|
|
|
"""Obtain the shortest representation of
|
|
|
a node."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "shortest" is a keyword
|
|
|
raise error.ParseError(_("shortest() expects one or two arguments"))
|
|
|
|
|
|
node = evalstring(context, mapping, args[0])
|
|
|
|
|
|
minlength = 4
|
|
|
if len(args) > 1:
|
|
|
minlength = evalinteger(context, mapping, args[1],
|
|
|
# i18n: "shortest" is a keyword
|
|
|
_("shortest() expects an integer minlength"))
|
|
|
|
|
|
# _partialmatch() of filtered changelog could take O(len(repo)) time,
|
|
|
# which would be unacceptably slow. so we look for hash collision in
|
|
|
# unfiltered space, which means some hashes may be slightly longer.
|
|
|
cl = mapping['ctx']._repo.unfiltered().changelog
|
|
|
def isvalid(test):
|
|
|
try:
|
|
|
if cl._partialmatch(test) is None:
|
|
|
return False
|
|
|
|
|
|
try:
|
|
|
i = int(test)
|
|
|
# if we are a pure int, then starting with zero will not be
|
|
|
# confused as a rev; or, obviously, if the int is larger than
|
|
|
# the value of the tip rev
|
|
|
if test[0] == '0' or i > len(cl):
|
|
|
return True
|
|
|
return False
|
|
|
except ValueError:
|
|
|
return True
|
|
|
except error.RevlogError:
|
|
|
return False
|
|
|
|
|
|
shortest = node
|
|
|
startlength = max(6, minlength)
|
|
|
length = startlength
|
|
|
while True:
|
|
|
test = node[:length]
|
|
|
if isvalid(test):
|
|
|
shortest = test
|
|
|
if length == minlength or length > startlength:
|
|
|
return shortest
|
|
|
length -= 1
|
|
|
else:
|
|
|
length += 1
|
|
|
if len(shortest) <= length:
|
|
|
return shortest
|
|
|
|
|
|
@templatefunc('strip(text[, chars])')
|
|
|
def strip(context, mapping, args):
|
|
|
"""Strip characters from a string. By default,
|
|
|
strips all leading and trailing whitespace."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "strip" is a keyword
|
|
|
raise error.ParseError(_("strip expects one or two arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
if len(args) == 2:
|
|
|
chars = evalstring(context, mapping, args[1])
|
|
|
return text.strip(chars)
|
|
|
return text.strip()
|
|
|
|
|
|
@templatefunc('sub(pattern, replacement, expression)')
|
|
|
def sub(context, mapping, args):
|
|
|
"""Perform text substitution
|
|
|
using regular expressions."""
|
|
|
if len(args) != 3:
|
|
|
# i18n: "sub" is a keyword
|
|
|
raise error.ParseError(_("sub expects three arguments"))
|
|
|
|
|
|
pat = evalstring(context, mapping, args[0])
|
|
|
rpl = evalstring(context, mapping, args[1])
|
|
|
src = evalstring(context, mapping, args[2])
|
|
|
try:
|
|
|
patre = re.compile(pat)
|
|
|
except re.error:
|
|
|
# i18n: "sub" is a keyword
|
|
|
raise error.ParseError(_("sub got an invalid pattern: %s") % pat)
|
|
|
try:
|
|
|
yield patre.sub(rpl, src)
|
|
|
except re.error:
|
|
|
# i18n: "sub" is a keyword
|
|
|
raise error.ParseError(_("sub got an invalid replacement: %s") % rpl)
|
|
|
|
|
|
@templatefunc('startswith(pattern, text)')
|
|
|
def startswith(context, mapping, args):
|
|
|
"""Returns the value from the "text" argument
|
|
|
if it begins with the content from the "pattern" argument."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "startswith" is a keyword
|
|
|
raise error.ParseError(_("startswith expects two arguments"))
|
|
|
|
|
|
patn = evalstring(context, mapping, args[0])
|
|
|
text = evalstring(context, mapping, args[1])
|
|
|
if text.startswith(patn):
|
|
|
return text
|
|
|
return ''
|
|
|
|
|
|
@templatefunc('word(number, text[, separator])')
|
|
|
def word(context, mapping, args):
|
|
|
"""Return the nth word from a string."""
|
|
|
if not (2 <= len(args) <= 3):
|
|
|
# i18n: "word" is a keyword
|
|
|
raise error.ParseError(_("word expects two or three arguments, got %d")
|
|
|
% len(args))
|
|
|
|
|
|
num = evalinteger(context, mapping, args[0],
|
|
|
# i18n: "word" is a keyword
|
|
|
_("word expects an integer index"))
|
|
|
text = evalstring(context, mapping, args[1])
|
|
|
if len(args) == 3:
|
|
|
splitter = evalstring(context, mapping, args[2])
|
|
|
else:
|
|
|
splitter = None
|
|
|
|
|
|
tokens = text.split(splitter)
|
|
|
if num >= len(tokens) or num < -len(tokens):
|
|
|
return ''
|
|
|
else:
|
|
|
return tokens[num]
|
|
|
|
|
|
# methods to interpret function arguments or inner expressions (e.g. {_(x)})
|
|
|
exprmethods = {
|
|
|
"integer": lambda e, c: (runinteger, e[1]),
|
|
|
"string": lambda e, c: (runstring, e[1]),
|
|
|
"symbol": lambda e, c: (runsymbol, e[1]),
|
|
|
"template": buildtemplate,
|
|
|
"group": lambda e, c: compileexp(e[1], c, exprmethods),
|
|
|
# ".": buildmember,
|
|
|
"|": buildfilter,
|
|
|
"%": buildmap,
|
|
|
"func": buildfunc,
|
|
|
"+": lambda e, c: buildarithmetic(e, c, lambda a, b: a + b),
|
|
|
"-": lambda e, c: buildarithmetic(e, c, lambda a, b: a - b),
|
|
|
"negate": buildnegate,
|
|
|
"*": lambda e, c: buildarithmetic(e, c, lambda a, b: a * b),
|
|
|
"/": lambda e, c: buildarithmetic(e, c, lambda a, b: a // b),
|
|
|
}
|
|
|
|
|
|
# methods to interpret top-level template (e.g. {x}, {x|_}, {x % "y"})
|
|
|
methods = exprmethods.copy()
|
|
|
methods["integer"] = exprmethods["symbol"] # '{1}' as variable
|
|
|
|
|
|
class _aliasrules(parser.basealiasrules):
|
|
|
"""Parsing and expansion rule set of template aliases"""
|
|
|
_section = _('template alias')
|
|
|
_parse = staticmethod(_parseexpr)
|
|
|
|
|
|
@staticmethod
|
|
|
def _trygetfunc(tree):
|
|
|
"""Return (name, args) if tree is func(...) or ...|filter; otherwise
|
|
|
None"""
|
|
|
if tree[0] == 'func' and tree[1][0] == 'symbol':
|
|
|
return tree[1][1], getlist(tree[2])
|
|
|
if tree[0] == '|' and tree[2][0] == 'symbol':
|
|
|
return tree[2][1], [tree[1]]
|
|
|
|
|
|
def expandaliases(tree, aliases):
|
|
|
"""Return new tree of aliases are expanded"""
|
|
|
aliasmap = _aliasrules.buildmap(aliases)
|
|
|
return _aliasrules.expand(aliasmap, tree)
|
|
|
|
|
|
# template engine
|
|
|
|
|
|
stringify = templatefilters.stringify
|
|
|
|
|
|
def _flatten(thing):
|
|
|
'''yield a single stream from a possibly nested set of iterators'''
|
|
|
if isinstance(thing, str):
|
|
|
yield thing
|
|
|
elif thing is None:
|
|
|
pass
|
|
|
elif not util.safehasattr(thing, '__iter__'):
|
|
|
yield str(thing)
|
|
|
else:
|
|
|
for i in thing:
|
|
|
if isinstance(i, str):
|
|
|
yield i
|
|
|
elif i is None:
|
|
|
pass
|
|
|
elif not util.safehasattr(i, '__iter__'):
|
|
|
yield str(i)
|
|
|
else:
|
|
|
for j in _flatten(i):
|
|
|
yield j
|
|
|
|
|
|
def unquotestring(s):
|
|
|
'''unwrap quotes if any; otherwise returns unmodified string'''
|
|
|
if len(s) < 2 or s[0] not in "'\"" or s[0] != s[-1]:
|
|
|
return s
|
|
|
return s[1:-1]
|
|
|
|
|
|
class engine(object):
|
|
|
'''template expansion engine.
|
|
|
|
|
|
template expansion works like this. a map file contains key=value
|
|
|
pairs. if value is quoted, it is treated as string. otherwise, it
|
|
|
is treated as name of template file.
|
|
|
|
|
|
templater is asked to expand a key in map. it looks up key, and
|
|
|
looks for strings like this: {foo}. it expands {foo} by looking up
|
|
|
foo in map, and substituting it. expansion is recursive: it stops
|
|
|
when there is no more {foo} to replace.
|
|
|
|
|
|
expansion also allows formatting and filtering.
|
|
|
|
|
|
format uses key to expand each item in list. syntax is
|
|
|
{key%format}.
|
|
|
|
|
|
filter uses function to transform value. syntax is
|
|
|
{key|filter1|filter2|...}.'''
|
|
|
|
|
|
def __init__(self, loader, filters=None, defaults=None, aliases=()):
|
|
|
self._loader = loader
|
|
|
if filters is None:
|
|
|
filters = {}
|
|
|
self._filters = filters
|
|
|
if defaults is None:
|
|
|
defaults = {}
|
|
|
self._defaults = defaults
|
|
|
self._aliasmap = _aliasrules.buildmap(aliases)
|
|
|
self._cache = {} # key: (func, data)
|
|
|
|
|
|
def _load(self, t):
|
|
|
'''load, parse, and cache a template'''
|
|
|
if t not in self._cache:
|
|
|
# put poison to cut recursion while compiling 't'
|
|
|
self._cache[t] = (_runrecursivesymbol, t)
|
|
|
try:
|
|
|
x = parse(self._loader(t))
|
|
|
if self._aliasmap:
|
|
|
x = _aliasrules.expand(self._aliasmap, x)
|
|
|
self._cache[t] = compileexp(x, self, methods)
|
|
|
except: # re-raises
|
|
|
del self._cache[t]
|
|
|
raise
|
|
|
return self._cache[t]
|
|
|
|
|
|
def process(self, t, mapping):
|
|
|
'''Perform expansion. t is name of map element to expand.
|
|
|
mapping contains added elements for use during expansion. Is a
|
|
|
generator.'''
|
|
|
func, data = self._load(t)
|
|
|
return _flatten(func(self, mapping, data))
|
|
|
|
|
|
engines = {'default': engine}
|
|
|
|
|
|
def stylelist():
|
|
|
paths = templatepaths()
|
|
|
if not paths:
|
|
|
return _('no templates found, try `hg debuginstall` for more info')
|
|
|
dirlist = os.listdir(paths[0])
|
|
|
stylelist = []
|
|
|
for file in dirlist:
|
|
|
split = file.split(".")
|
|
|
if split[-1] in ('orig', 'rej'):
|
|
|
continue
|
|
|
if split[0] == "map-cmdline":
|
|
|
stylelist.append(split[1])
|
|
|
return ", ".join(sorted(stylelist))
|
|
|
|
|
|
def _readmapfile(mapfile):
|
|
|
"""Load template elements from the given map file"""
|
|
|
if not os.path.exists(mapfile):
|
|
|
raise error.Abort(_("style '%s' not found") % mapfile,
|
|
|
hint=_("available styles: %s") % stylelist())
|
|
|
|
|
|
base = os.path.dirname(mapfile)
|
|
|
conf = config.config(includepaths=templatepaths())
|
|
|
conf.read(mapfile)
|
|
|
|
|
|
cache = {}
|
|
|
tmap = {}
|
|
|
for key, val in conf[''].items():
|
|
|
if not val:
|
|
|
raise error.ParseError(_('missing value'), conf.source('', key))
|
|
|
if val[0] in "'\"":
|
|
|
if val[0] != val[-1]:
|
|
|
raise error.ParseError(_('unmatched quotes'),
|
|
|
conf.source('', key))
|
|
|
cache[key] = unquotestring(val)
|
|
|
elif key == "__base__":
|
|
|
# treat as a pointer to a base class for this style
|
|
|
path = util.normpath(os.path.join(base, val))
|
|
|
|
|
|
# fallback check in template paths
|
|
|
if not os.path.exists(path):
|
|
|
for p in templatepaths():
|
|
|
p2 = util.normpath(os.path.join(p, val))
|
|
|
if os.path.isfile(p2):
|
|
|
path = p2
|
|
|
break
|
|
|
p3 = util.normpath(os.path.join(p2, "map"))
|
|
|
if os.path.isfile(p3):
|
|
|
path = p3
|
|
|
break
|
|
|
|
|
|
bcache, btmap = _readmapfile(path)
|
|
|
for k in bcache:
|
|
|
if k not in cache:
|
|
|
cache[k] = bcache[k]
|
|
|
for k in btmap:
|
|
|
if k not in tmap:
|
|
|
tmap[k] = btmap[k]
|
|
|
else:
|
|
|
val = 'default', val
|
|
|
if ':' in val[1]:
|
|
|
val = val[1].split(':', 1)
|
|
|
tmap[key] = val[0], os.path.join(base, val[1])
|
|
|
return cache, tmap
|
|
|
|
|
|
class TemplateNotFound(error.Abort):
|
|
|
pass
|
|
|
|
|
|
class templater(object):
|
|
|
|
|
|
def __init__(self, filters=None, defaults=None, cache=None, aliases=(),
|
|
|
minchunk=1024, maxchunk=65536):
|
|
|
'''set up template engine.
|
|
|
filters is dict of functions. each transforms a value into another.
|
|
|
defaults is dict of default map definitions.
|
|
|
aliases is list of alias (name, replacement) pairs.
|
|
|
'''
|
|
|
if filters is None:
|
|
|
filters = {}
|
|
|
if defaults is None:
|
|
|
defaults = {}
|
|
|
if cache is None:
|
|
|
cache = {}
|
|
|
self.cache = cache.copy()
|
|
|
self.map = {}
|
|
|
self.filters = templatefilters.filters.copy()
|
|
|
self.filters.update(filters)
|
|
|
self.defaults = defaults
|
|
|
self._aliases = aliases
|
|
|
self.minchunk, self.maxchunk = minchunk, maxchunk
|
|
|
self.ecache = {}
|
|
|
|
|
|
@classmethod
|
|
|
def frommapfile(cls, mapfile, filters=None, defaults=None, cache=None,
|
|
|
minchunk=1024, maxchunk=65536):
|
|
|
"""Create templater from the specified map file"""
|
|
|
t = cls(filters, defaults, cache, [], minchunk, maxchunk)
|
|
|
cache, tmap = _readmapfile(mapfile)
|
|
|
t.cache.update(cache)
|
|
|
t.map = tmap
|
|
|
return t
|
|
|
|
|
|
def __contains__(self, key):
|
|
|
return key in self.cache or key in self.map
|
|
|
|
|
|
def load(self, t):
|
|
|
'''Get the template for the given template name. Use a local cache.'''
|
|
|
if t not in self.cache:
|
|
|
try:
|
|
|
self.cache[t] = util.readfile(self.map[t][1])
|
|
|
except KeyError as inst:
|
|
|
raise TemplateNotFound(_('"%s" not in template map') %
|
|
|
inst.args[0])
|
|
|
except IOError as inst:
|
|
|
raise IOError(inst.args[0], _('template file %s: %s') %
|
|
|
(self.map[t][1], inst.args[1]))
|
|
|
return self.cache[t]
|
|
|
|
|
|
def __call__(self, t, **mapping):
|
|
|
ttype = t in self.map and self.map[t][0] or 'default'
|
|
|
if ttype not in self.ecache:
|
|
|
try:
|
|
|
ecls = engines[ttype]
|
|
|
except KeyError:
|
|
|
raise error.Abort(_('invalid template engine: %s') % ttype)
|
|
|
self.ecache[ttype] = ecls(self.load, self.filters, self.defaults,
|
|
|
self._aliases)
|
|
|
proc = self.ecache[ttype]
|
|
|
|
|
|
stream = proc.process(t, mapping)
|
|
|
if self.minchunk:
|
|
|
stream = util.increasingchunks(stream, min=self.minchunk,
|
|
|
max=self.maxchunk)
|
|
|
return stream
|
|
|
|
|
|
def templatepaths():
|
|
|
'''return locations used for template files.'''
|
|
|
pathsrel = ['templates']
|
|
|
paths = [os.path.normpath(os.path.join(util.datapath, f))
|
|
|
for f in pathsrel]
|
|
|
return [p for p in paths if os.path.isdir(p)]
|
|
|
|
|
|
def templatepath(name):
|
|
|
'''return location of template file. returns None if not found.'''
|
|
|
for p in templatepaths():
|
|
|
f = os.path.join(p, name)
|
|
|
if os.path.exists(f):
|
|
|
return f
|
|
|
return None
|
|
|
|
|
|
def stylemap(styles, paths=None):
|
|
|
"""Return path to mapfile for a given style.
|
|
|
|
|
|
Searches mapfile in the following locations:
|
|
|
1. templatepath/style/map
|
|
|
2. templatepath/map-style
|
|
|
3. templatepath/map
|
|
|
"""
|
|
|
|
|
|
if paths is None:
|
|
|
paths = templatepaths()
|
|
|
elif isinstance(paths, str):
|
|
|
paths = [paths]
|
|
|
|
|
|
if isinstance(styles, str):
|
|
|
styles = [styles]
|
|
|
|
|
|
for style in styles:
|
|
|
# only plain name is allowed to honor template paths
|
|
|
if (not style
|
|
|
or style in (os.curdir, os.pardir)
|
|
|
or os.sep in style
|
|
|
or os.altsep and os.altsep in style):
|
|
|
continue
|
|
|
locations = [os.path.join(style, 'map'), 'map-' + style]
|
|
|
locations.append('map')
|
|
|
|
|
|
for path in paths:
|
|
|
for location in locations:
|
|
|
mapfile = os.path.join(path, location)
|
|
|
if os.path.isfile(mapfile):
|
|
|
return style, mapfile
|
|
|
|
|
|
raise RuntimeError("No hgweb templates found in %r" % paths)
|
|
|
|
|
|
def loadfunction(ui, extname, registrarobj):
|
|
|
"""Load template function from specified registrarobj
|
|
|
"""
|
|
|
for name, func in registrarobj._table.iteritems():
|
|
|
funcs[name] = func
|
|
|
|
|
|
# tell hggettext to extract docstrings from these functions:
|
|
|
i18nfunctions = funcs.values()
|
|
|
|
