| 1 | // Scintilla source code edit control |
|---|---|
| 2 | /** @file PropSetSimple.cxx |
| 3 | ** A basic string to string map. |
| 4 | **/ |
| 5 | // Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org> |
| 6 | // The License.txt file describes the conditions under which this software may be distributed. |
| 7 | |
| 8 | // Maintain a dictionary of properties |
| 9 | |
| 10 | #include <cstdlib> |
| 11 | #include <cstring> |
| 12 | |
| 13 | #include <string> |
| 14 | #include <string_view> |
| 15 | #include <map> |
| 16 | #include <functional> |
| 17 | |
| 18 | #include "PropSetSimple.h" |
| 19 | |
| 20 | using namespace Lexilla; |
| 21 | |
| 22 | namespace { |
| 23 | |
| 24 | typedef std::map<std::string, std::string, std::less<>> mapss; |
| 25 | |
| 26 | mapss *PropsFromPointer(void *impl) noexcept { |
| 27 | return static_cast<mapss *>(impl); |
| 28 | } |
| 29 | |
| 30 | } |
| 31 | |
| 32 | PropSetSimple::PropSetSimple() { |
| 33 | mapss *props = new mapss; |
| 34 | impl = static_cast<void *>(props); |
| 35 | } |
| 36 | |
| 37 | PropSetSimple::~PropSetSimple() { |
| 38 | mapss *props = PropsFromPointer(impl); |
| 39 | delete props; |
| 40 | impl = nullptr; |
| 41 | } |
| 42 | |
| 43 | bool PropSetSimple::Set(std::string_view key, std::string_view val) { |
| 44 | mapss *props = PropsFromPointer(impl); |
| 45 | if (!props) |
| 46 | return false; |
| 47 | mapss::iterator it = props->find(key); |
| 48 | if (it != props->end()) { |
| 49 | if (val == it->second) |
| 50 | return false; |
| 51 | it->second = val; |
| 52 | } else { |
| 53 | props->emplace(key, val); |
| 54 | } |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | const char *PropSetSimple::Get(std::string_view key) const { |
| 59 | mapss *props = PropsFromPointer(impl); |
| 60 | if (props) { |
| 61 | mapss::const_iterator keyPos = props->find(key); |
| 62 | if (keyPos != props->end()) { |
| 63 | return keyPos->second.c_str(); |
| 64 | } |
| 65 | } |
| 66 | return ""; |
| 67 | } |
| 68 | |
| 69 | int PropSetSimple::GetInt(std::string_view key, int defaultValue) const { |
| 70 | const char *val = Get(key); |
| 71 | if (*val) { |
| 72 | return atoi(val); |
| 73 | } |
| 74 | return defaultValue; |
| 75 | } |
| 76 |