From 84f6ebab62a9f2553ae454d67861b0b142470d0b Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Wed, 25 Jul 2018 20:11:47 +0300 Subject: Move bpkg::package_name class to butl::project_name --- libbutl/project-name.cxx | 115 ++++++++++++++++++++++++ libbutl/project-name.mxx | 223 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 338 insertions(+) create mode 100644 libbutl/project-name.cxx create mode 100644 libbutl/project-name.mxx (limited to 'libbutl') diff --git a/libbutl/project-name.cxx b/libbutl/project-name.cxx new file mode 100644 index 0000000..5f94ea0 --- /dev/null +++ b/libbutl/project-name.cxx @@ -0,0 +1,115 @@ +// file : libbutl/project-name.cxx -*- C++ -*- +// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#ifndef __cpp_modules +#include +#endif + +#ifndef __cpp_lib_modules +#include +#include +#include // move() +#include // back_inserter +#include // find(), transform() +#include // invalid_argument +#endif + +// Other includes. + +#ifdef __cpp_modules +module butl.project_name; + +// Only imports additional to interface. +#ifdef __clang__ +#ifdef __cpp_lib_modules +import std.core; +import std.io; +#endif +import butl.utility; +#endif + +import butl.path; // path::traits +import butl.utility; // alpha(), alnum() +#else +#include +#include +#endif + +using namespace std; + +namespace butl +{ + // project_name + // + static const vector illegal_prj_names ({ + "build", + "con", "prn", "aux", "nul", + "com1", "com2", "com3", "com4", "com5", "com6", "com7", "com8", "com9", + "lpt1", "lpt2", "lpt3", "lpt4", "lpt5", "lpt6", "lpt7", "lpt8", "lpt9"}); + + static const string legal_prj_chars ("_+-."); + + project_name:: + project_name (std::string&& nm) + { + if (nm.size () < 2) + throw invalid_argument ("length is less than two characters"); + + if (find (illegal_prj_names.begin (), illegal_prj_names.end (), nm) != + illegal_prj_names.end ()) + throw invalid_argument ("illegal name"); + + if (!alpha (nm.front ())) + throw invalid_argument ("illegal first character (must be alphabetic)"); + + // Here we rely on the fact that the name length >= 2. + // + for (auto i (nm.cbegin () + 1), e (nm.cend () - 1); i != e; ++i) + { + char c (*i); + + if (!(alnum(c) || legal_prj_chars.find (c) != string::npos)) + throw invalid_argument ("illegal character"); + } + + if (!alnum (nm.back ()) && nm.back () != '+') + throw invalid_argument ( + "illegal last character (must be alphabetic, digit, or plus)"); + + value_ = move (nm); + } + + string project_name:: + base () const + { + using std::string; + + size_t p (path::traits::find_extension (value_)); + return string (value_, 0, p); + } + + string project_name:: + extension () const + { + using std::string; + + size_t p (path::traits::find_extension (value_)); + return p != string::npos ? string (value_, p + 1) : string (); + } + + string project_name:: + variable () const + { + using std::string; + + auto sanitize = [] (char c) + { + return (c == '-' || c == '+' || c == '.') ? '_' : c; + }; + + string r; + transform (value_.begin (), value_.end (), back_inserter (r), sanitize); + return r; + } +} diff --git a/libbutl/project-name.mxx b/libbutl/project-name.mxx new file mode 100644 index 0000000..bb92340 --- /dev/null +++ b/libbutl/project-name.mxx @@ -0,0 +1,223 @@ +// file : libbutl/project-name.mxx -*- C++ -*- +// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#ifndef __cpp_modules +#pragma once +#endif + +// C includes. + +#ifndef __cpp_lib_modules +#include +#include // move() +#include +#endif + +// Other includes. + +#ifdef __cpp_modules +export module butl.project_name; +#ifdef __cpp_lib_modules +import std.core; +import std.io; +#endif +import butl.utility; // casecmp() +#else +#include +#endif + +#include + +LIBBUTL_MODEXPORT namespace butl +{ + class LIBBUTL_SYMEXPORT project_name + { + public: + // Create project name from string verifying that it complied with the + // specification and throwing std::invalid_argument if that's not the + // case. Note that in this case the passed value is guaranteed to be + // unchanged. + // + explicit + project_name (const std::string& s): project_name (std::string (s)) {} + + explicit + project_name (std::string&&); + + // Create a special empty project name. + // + project_name () = default; + + // Create an arbitrary string that can be used in contexts that expect + // a project name. For example, a project name pattern for use in ODB query + // expressions. + // + enum raw_string_type {raw_string}; + project_name (std::string s, raw_string_type): value_ (std::move (s)) {} + + bool + empty () const noexcept {return value_.empty ();} + + const std::string& + string () const& noexcept {return value_;} + + // Moves the underlying project name string out of the project name object. + // The object becomes empty. Usage: std::move (name).string (). + // + std::string + string () && {std::string r; r.swap (this->value_); return r;} + + // Project name base and extension (without the dot). If there is no + // extension, then the base name is the same as the full name and the + // returned extension is empty. + // + std::string + base () const; + + std::string + extension () const; + + // Project name sanitized to a canonical variable name. Specifically, + // '.', '-', and '+' are replaced with '_'. + // + std::string + variable () const; + + // Compare ignoring case. Note that a string is not checked to be a valid + // project name. + // + int compare (const project_name& n) const {return compare (n.value_);} + int compare (const std::string& n) const {return compare (n.c_str ());} + int compare (const char* n) const {return butl::casecmp (value_, n);} + + private: + std::string value_; + }; + + inline bool + operator< (const project_name& x, const project_name& y) + { + return x.compare (y) < 0; + } + + inline bool + operator> (const project_name& x, const project_name& y) + { + return x.compare (y) > 0; + } + + inline bool + operator== (const project_name& x, const project_name& y) + { + return x.compare (y) == 0; + } + + inline bool + operator<= (const project_name& x, const project_name& y) + { + return x.compare (y) <= 0; + } + + inline bool + operator>= (const project_name& x, const project_name& y) + { + return x.compare (y) >= 0; + } + + inline bool + operator!= (const project_name& x, const project_name& y) + { + return x.compare (y) != 0; + } + + template + inline auto + operator< (const project_name& x, const T& y) + { + return x.compare (y) < 0; + } + + template + inline auto + operator> (const project_name& x, const T& y) + { + return x.compare (y) > 0; + } + + template + inline auto + operator== (const project_name& x, const T& y) + { + return x.compare (y) == 0; + } + + template + inline auto + operator<= (const project_name& x, const T& y) + { + return x.compare (y) <= 0; + } + + template + inline auto + operator>= (const project_name& x, const T& y) + { + return x.compare (y) >= 0; + } + + template + inline auto + operator!= (const project_name& x, const T& y) + { + return x.compare (y) != 0; + } + + template + inline auto + operator< (const T& x, const project_name& y) + { + return y > x; + } + + template + inline auto + operator> (const T& x, const project_name& y) + { + return y < x; + } + + template + inline auto + operator== (const T& x, const project_name& y) + { + return y == x; + } + + template + inline auto + operator<= (const T& x, const project_name& y) + { + return y >= x; + } + + template + inline auto + operator>= (const T& x, const project_name& y) + { + return y <= x; + } + + template + inline auto + operator!= (const T& x, const project_name& y) + { + return y != x; + } + + inline std::ostream& + operator<< (std::ostream& os, const project_name& v) + { + return os << v.string (); + } +} -- cgit v1.1