Abbreviations, easy: Difference between revisions
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(Added C solution) |
m (Reformatted to reduce line count) |
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"RIght LEft SAVE SET SHift SI SORT SOS STAck STATus TOP TRAnsfer Type Up"; |
"RIght LEft SAVE SET SHift SI SORT SOS STAck STATus TOP TRAnsfer Type Up"; |
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class command |
class command { |
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{ |
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public: |
public: |
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command(const std::string&, size_t); |
command(const std::string&, size_t); |
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// cmd is assumed to be all uppercase |
// cmd is assumed to be all uppercase |
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command::command(const std::string& cmd, size_t min_len) |
command::command(const std::string& cmd, size_t min_len) |
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: cmd_(cmd), min_len_(min_len) |
: cmd_(cmd), min_len_(min_len) {} |
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{ |
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} |
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// str is assumed to be all uppercase |
// str is assumed to be all uppercase |
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bool command::match(const std::string& str) const |
bool command::match(const std::string& str) const { |
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{ |
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size_t olen = str.length(); |
size_t olen = str.length(); |
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return olen >= min_len_ && olen <= cmd_.length() |
return olen >= min_len_ && olen <= cmd_.length() |
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// convert string to uppercase |
// convert string to uppercase |
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void uppercase(std::string& str) |
void uppercase(std::string& str) { |
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{ |
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std::transform(str.begin(), str.end(), str.begin(), |
std::transform(str.begin(), str.end(), str.begin(), |
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[](unsigned char c) -> unsigned char { return std::toupper(c); }); |
[](unsigned char c) -> unsigned char { return std::toupper(c); }); |
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} |
} |
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size_t get_min_length(const std::string& str) |
size_t get_min_length(const std::string& str) { |
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{ |
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size_t len = 0, n = str.length(); |
size_t len = 0, n = str.length(); |
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while (len < n && std::isupper(static_cast<unsigned char>(str[len]))) |
while (len < n && std::isupper(static_cast<unsigned char>(str[len]))) |
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} |
} |
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class command_list |
class command_list { |
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{ |
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public: |
public: |
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explicit command_list(const char*); |
explicit command_list(const char*); |
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}; |
}; |
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command_list::command_list(const char* table) |
command_list::command_list(const char* table) { |
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{ |
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std::vector<command> commands; |
std::vector<command> commands; |
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std::istringstream is(table); |
std::istringstream is(table); |
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std::string word; |
std::string word; |
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while (is >> word) |
while (is >> word) { |
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{ |
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// count leading uppercase characters |
// count leading uppercase characters |
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size_t len = get_min_length(word); |
size_t len = get_min_length(word); |
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} |
} |
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const command* command_list::find_command(const std::string& word) const |
const command* command_list::find_command(const std::string& word) const { |
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| ⚫ | |||
{ |
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| ⚫ | |||
{ |
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if (command.match(word)) |
if (command.match(word)) |
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return &command; |
return &command; |
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} |
} |
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std::string test(const command_list& commands, const std::string& input) |
std::string test(const command_list& commands, const std::string& input) { |
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{ |
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std::string output; |
std::string output; |
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std::istringstream is(input); |
std::istringstream is(input); |
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std::string word; |
std::string word; |
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while (is >> word) |
while (is >> word) { |
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{ |
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if (!output.empty()) |
if (!output.empty()) |
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output += ' '; |
output += ' '; |
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} |
} |
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int main() |
int main() { |
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{ |
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command_list commands(command_table); |
command_list commands(command_table); |
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std::string input("riG rePEAT copies put mo rest types fup. 6 poweRin"); |
std::string input("riG rePEAT copies put mo rest types fup. 6 poweRin"); |
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