- Docopt for CLI parsing
- Download, extract and Git checkout support - OS specific keys with -win, -lin and -osx - Force re-generation with -f flag
This commit is contained in:
Ganesh Viswanathan
parent
e5eb693d2e
commit
9bcabd23e3
4 changed files with 173 additions and 50 deletions
190
nimgen.nim
190
nimgen.nim
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@ -1,3 +1,4 @@
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import docopt
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import nre
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import os
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import ospaths
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@ -18,6 +19,18 @@ var OUTPUT = ""
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var INCLUDES: seq[string] = @[]
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var EXCLUDES: seq[string] = @[]
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const DOC = """
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Nimgen is a helper for c2nim to simpilfy and automate the wrapping of C libraries
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Usage:
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nimgen [options] <file.cfg>...
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Options:
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-f delete all artifacts and regenerate
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"""
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let ARGS = docopt(DOC)
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# ###
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# Helpers
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@ -38,7 +51,88 @@ proc execProc(cmd: string): string =
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echo "Command failed: " & $x
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echo cmd
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echo result
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quit()
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quit(1)
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proc extractZip(zipfile: string) =
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var cmd = "unzip $#"
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if defined(Windows):
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cmd = "powershell -nologo -noprofile -command \"& { Add-Type -A 'System.IO.Compression.FileSystem'; [IO.Compression.ZipFile]::ExtractToDirectory('$#', '.'); }\""
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setCurrentDir(OUTPUT)
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defer: setCurrentDir("..")
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echo "Extracting " & zipfile
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discard execProc(cmd % zipfile)
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proc downloadUrl(url: string) =
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let file = url.extractFilename()
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let ext = file.splitFile().ext.toLowerAscii()
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var cmd = "curl $# -o $#"
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if defined(Windows):
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cmd = "powershell wget $# -OutFile $#"
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if not (ext == ".zip" and fileExists(OUTPUT/file)):
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echo "Downloading " & file
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createDir(OUTPUT)
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discard execProc(cmd % [url, OUTPUT/file])
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if ext == ".zip":
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extractZip(file)
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proc gitReset() =
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echo "Resetting Git repo"
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setCurrentDir(OUTPUT)
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defer: setCurrentDir("..")
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discard execProc("git reset --hard HEAD")
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proc gitRemotePull(url: string, pull=true) =
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if dirExists(OUTPUT):
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if pull:
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gitReset()
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return
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createDir(OUTPUT)
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setCurrentDir(OUTPUT)
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defer: setCurrentDir("..")
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echo "Setting up Git repo"
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discard execProc("git init .")
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discard execProc("git remote add origin " & url)
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if pull:
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echo "Checking out artifacts"
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discard execProc("git pull --depth=1 origin master")
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proc gitSparseCheckout(plist: string) =
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let sparsefile = ".git/info/sparse-checkout"
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if fileExists(OUTPUT/sparsefile):
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gitReset()
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return
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setCurrentDir(OUTPUT)
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defer: setCurrentDir("..")
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discard execProc("git config core.sparsecheckout true")
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writeFile(sparsefile, plist)
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echo "Checking out artifacts"
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discard execProc("git pull --depth=1 origin master")
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proc getKey(ukey: string): tuple[key: string, val: bool] =
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var kv = ukey.replace(re"\..*", "").split("-", 1)
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if kv.len() == 1:
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kv.add("")
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if (kv[1] == "") or
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(kv[1] == "win" and defined(Windows)) or
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(kv[1] == "lin" and defined(Linux)) or
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(kv[1] == "osx" and defined(MacOSX)):
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return (kv[0], true)
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return (kv[0], false)
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# ###
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# File loction
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@ -72,7 +166,7 @@ proc search(file: string): string =
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break
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if not found:
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echo "File doesn't exist: " & file
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quit()
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quit(1)
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return result.replace(re"[\\/]", $DirSep)
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@ -275,18 +369,19 @@ proc c2nim(fl, outfile, flags, ppflags: string, recurse, preproc, ctag, define:
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var winlib, linlib, osxlib: string = ""
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for dl in dynlib:
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let lib = " const dynlib$# = \"$#\"\n" % [fname, dl]
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if dl.splitFile().ext == ".dll":
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let ext = dl.splitFile().ext
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if ext == ".dll":
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winlib &= lib
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if dl.splitFile().ext == ".so":
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elif ext == ".so":
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linlib &= lib
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if dl.splitFile().ext == ".dylib":
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elif ext == ".dylib":
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osxlib &= lib
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if winlib != "":
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outlib &= win & winlib & "\n"
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if linlib != "":
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outlib &= lin & linlib & "\n"
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if winlib != "":
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if osxlib != "":
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outlib &= osx & osxlib & "\n"
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if outlib != "":
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@ -336,13 +431,17 @@ proc c2nim(fl, outfile, flags, ppflags: string, recurse, preproc, ctag, define:
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proc runcfg(cfg: string) =
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if not fileExists(cfg):
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echo "Config doesn't exist: " & cfg
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quit()
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quit(1)
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CONFIG = loadConfig(cfg)
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if CONFIG.hasKey("n.global"):
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if CONFIG["n.global"].hasKey("output"):
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OUTPUT = CONFIG["n.global"]["output"]
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if ARGS["-f"]:
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removeDir(OUTPUT)
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if CONFIG["n.global"].hasKey("filter"):
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FILTER = CONFIG["n.global"]["filter"]
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if CONFIG["n.global"].hasKey("quotes"):
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@ -357,42 +456,57 @@ proc runcfg(cfg: string) =
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for excl in CONFIG["n.exclude"].keys():
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EXCLUDES.add(excl)
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if CONFIG.hasKey("n.prepare"):
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for prep in CONFIG["n.prepare"].keys():
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let (key, val) = getKey(prep)
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if val == true:
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if key == "download":
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downloadUrl(CONFIG["n.prepare"][prep])
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elif key == "git":
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gitRemotePull(CONFIG["n.prepare"][prep])
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elif key == "gitremote":
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gitRemotePull(CONFIG["n.prepare"][prep], false)
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elif key == "gitsparse":
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gitSparseCheckout(CONFIG["n.prepare"][prep])
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elif key == "execute":
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discard execProc(CONFIG["n.prepare"][prep])
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for file in CONFIG.keys():
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if file in @["n.global", "n.include", "n.exclude"]:
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if file in @["n.global", "n.include", "n.exclude", "n.prepare"]:
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continue
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var sfile = search(file)
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var srch = ""
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var action = ""
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var compile: seq[string] = @[]
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var dynlib: seq[string] = @[]
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for act in CONFIG[file].keys():
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action = act.replace(re"\..*", "")
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if action == "create":
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createDir(file.splitPath().head)
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writeFile(file, CONFIG[file][act])
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elif action in @["prepend", "append", "replace", "compile", "dynlib"] and sfile != "":
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if action == "prepend":
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if srch != "":
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prepend(sfile, CONFIG[file][act], CONFIG[file][srch])
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else:
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prepend(sfile, CONFIG[file][act])
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elif action == "append":
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if srch != "":
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append(sfile, CONFIG[file][act], CONFIG[file][srch])
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else:
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append(sfile, CONFIG[file][act])
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elif action == "replace":
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if srch != "":
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freplace(sfile, CONFIG[file][srch], CONFIG[file][act])
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elif action == "compile":
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compile.add(CONFIG[file][act])
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elif action == "dynlib":
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dynlib.add(CONFIG[file][act])
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srch = ""
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elif action == "search":
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srch = act
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let (action, val) = getKey(act)
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if val == true:
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if action == "create":
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createDir(file.splitPath().head)
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writeFile(file, CONFIG[file][act])
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elif action in @["prepend", "append", "replace", "compile", "dynlib"] and sfile != "":
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if action == "prepend":
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if srch != "":
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prepend(sfile, CONFIG[file][act], CONFIG[file][srch])
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else:
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prepend(sfile, CONFIG[file][act])
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elif action == "append":
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if srch != "":
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append(sfile, CONFIG[file][act], CONFIG[file][srch])
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else:
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append(sfile, CONFIG[file][act])
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elif action == "replace":
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if srch != "":
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freplace(sfile, CONFIG[file][srch], CONFIG[file][act])
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elif action == "compile":
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compile.add(CONFIG[file][act])
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elif action == "dynlib":
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dynlib.add(CONFIG[file][act])
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srch = ""
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elif action == "search":
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srch = act
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if file.splitFile().ext != ".nim":
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var recurse = false
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@ -426,9 +540,5 @@ proc runcfg(cfg: string) =
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# ###
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# Main loop
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if paramCount() == 0:
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echo "nimgen file.cfg"
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quit()
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for i in 1..paramCount():
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runcfg(paramStr(i))
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for i in ARGS["<file.cfg>"]:
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runcfg(i)
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