File size: 4,562 Bytes
d7c5875 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local ipairs = _tl_compat and _tl_compat.ipairs or ipairs; local string = _tl_compat and _tl_compat.string or string; local table = _tl_compat and _tl_compat.table or table; local type = type
local queries = {}
local vers = require("luarocks.core.vers")
local util = require("luarocks.util")
local cfg = require("luarocks.core.cfg")
local query = require("luarocks.core.types.query")
local query_mt = {}
query_mt.__index = query.Query
query.Query.arch = {
src = true,
all = true,
rockspec = true,
installed = true,
}
query.Query.substring = false
local function arch_to_table(input)
if type(input) == "table" then
return input
elseif type(input) == "string" then
local arch = {}
for a in input:gmatch("[%w_-]+") do
arch[a] = true
end
return arch
end
end
function queries.new(name, namespace, version, substring, arch, operator)
operator = operator or "=="
local self = {
name = name,
namespace = namespace,
constraints = {},
substring = substring,
arch = arch_to_table(arch),
}
if version then
table.insert(self.constraints, { op = operator, version = vers.parse_version(version) })
end
query.Query.arch[cfg.arch] = true
return setmetatable(self, query_mt)
end
function queries.all(arch)
return queries.new("", nil, nil, true, arch)
end
do
local parse_constraints
do
local parse_constraint
do
local operators = {
["=="] = "==",
["~="] = "~=",
[">"] = ">",
["<"] = "<",
[">="] = ">=",
["<="] = "<=",
["~>"] = "~>",
[""] = "==",
["="] = "==",
["!="] = "~=",
}
parse_constraint = function(input)
local no_upgrade, op, versionstr, rest = input:match("^(@?)([<>=~!]*)%s*([%w%.%_%-]+)[%s,]*(.*)")
local _op = operators[op]
local version = vers.parse_version(versionstr)
if not _op then
return nil, "Encountered bad constraint operator: '" .. tostring(op) .. "' in '" .. input .. "'"
end
if not version then
return nil, "Could not parse version from constraint: '" .. input .. "'"
end
return { op = _op, version = version, no_upgrade = no_upgrade == "@" and true or nil }, rest
end
end
parse_constraints = function(input)
local constraints, oinput = {}, input
local constraint
while #input > 0 do
constraint, input = parse_constraint(input)
if constraint then
table.insert(constraints, constraint)
else
return nil, "Failed to parse constraint '" .. tostring(oinput) .. "' with error: " .. input
end
end
return constraints
end
end
function queries.from_dep_string(depstr)
local ns_name, rest = depstr:match("^%s*([a-zA-Z0-9%.%-%_]*/?[a-zA-Z0-9][a-zA-Z0-9%.%-%_]*)%s*([^/]*)")
if not ns_name then
return nil, "failed to extract dependency name from '" .. depstr .. "'"
end
ns_name = ns_name:lower()
local constraints, err = parse_constraints(rest)
if not constraints then
return nil, err
end
local name, namespace = util.split_namespace(ns_name)
local self = {
name = name,
namespace = namespace,
constraints = constraints,
}
query.Query.arch[cfg.arch] = true
return setmetatable(self, query_mt)
end
end
function queries.from_persisted_table(tbl)
query.Query.arch[cfg.arch] = true
return setmetatable(tbl, query_mt)
end
function query_mt.__tostring(self)
local out = {}
if self.namespace then
table.insert(out, self.namespace)
table.insert(out, "/")
end
table.insert(out, self.name)
if #self.constraints > 0 then
local pretty = {}
for _, c in ipairs(self.constraints) do
local v = tostring(c.version)
if c.op == "==" then
table.insert(pretty, v)
else
table.insert(pretty, c.op .. " " .. v)
end
end
table.insert(out, " ")
table.insert(out, table.concat(pretty, ", "))
end
return table.concat(out)
end
return queries
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