chore: code modules using namespace klotski

src/klotski/all_cases/all_cases.cc

@@ -1,7 +1,7 @@
 #include "common.h"
 #include "all_cases.h"
 
-using namespace klotski;
+using klotski::AllCases;
 
 /// static variable initialize
 std::mutex AllCases::building;

src/klotski/all_cases/basic_ranges.cc

@@ -3,7 +3,7 @@
 #include "common.h"
 #include "basic_ranges.h"
 
-using namespace klotski;
+using klotski::BasicRanges;
 
 /// static variable initialize
 std::mutex BasicRanges::building;

src/klotski/analyse/analyse.h

@@ -11,6 +11,9 @@
 // TODO: try double or 4-times size
 const uint32_t ANY_MAP_RESERVE = 65536;
 
+// TODO: Analyse enter klotski namespace later
+using namespace klotski;
+
 class Analyse {
 public:
     typedef std::function<bool(uint64_t)> match_t;

src/klotski/common_code/common_code.cc

@@ -2,7 +2,7 @@
 #include "common.h"
 #include "common_code.h"
 
-using namespace klotski;
+using klotski::CommonCode;
 
 uint64_t CommonCode::unwrap() const {
     return code; // raw uint64_t code
@@ -33,11 +33,13 @@ bool CommonCode::operator==(const CommonCode &common_code) const {
     return this->code == common_code.code;
 }
 
-std::ostream& operator<<(std::ostream &out, const CommonCode &self) {
+namespace klotski {
+    std::ostream &operator<<(std::ostream &out, const CommonCode &self) {
         char str[10];
         sprintf(str, "%09lX", self.code);
         out << str;
         return out;
+    }
 }
 
 bool CommonCode::check(uint64_t common_code) { // whether common code is valid

src/klotski/common_code/common_code.h

@@ -6,11 +6,13 @@
 #include "raw_code.h"
 #include "short_code.h"
 
-class RawCode;
-class ShortCode;
+namespace klotski {
+    /// import for convert interface
+    class RawCode;
+    class ShortCode;
 
-class CommonCode {
-public:
+    class CommonCode {
+    public:
         bool valid() const;
         static bool check(uint64_t common_code);
 
@@ -43,7 +45,8 @@ public:
         static CommonCode from_short_code(const ShortCode &short_code);
         static CommonCode from_short_code(const std::string &short_code);
 
-private:
+    private:
         uint64_t code;
         CommonCode() = default; // unsafe initialize
-};
+    };
+}

src/klotski/common_code/convert.cc

@@ -1,5 +1,9 @@
 #include "common_code.h"
 
+using klotski::RawCode;
+using klotski::ShortCode;
+using klotski::CommonCode;
+
 /// CommonCode to RawCode
 RawCode CommonCode::to_raw_code() const {
     return RawCode(*this); // convert to raw code

src/klotski/common_code/serialize.cc

@@ -1,5 +1,7 @@
 #include "common_code.h"
 
+using klotski::CommonCode;
+
 inline uint8_t binary_count(uint32_t bin) { // get number of non-zero bits
     bin -= (bin >> 1) & 0x55555555;
     bin = (bin & 0x33333333) + ((bin >> 2) & 0x33333333);

src/klotski/fast_cal/fast_cal.h

@@ -8,6 +8,9 @@
 #include "core.h"
 #include "raw_code.h"
 
+// TODO: FastCal enter klotski namespace later
+using namespace klotski;
+
 // TODO: using prime number
 const uint32_t FC_MAP_RESERVE = 65536 * 8;
 

src/klotski/ffi/codec.cc

@@ -1,6 +1,8 @@
 #include "klotski.h"
 #include "short_code.h"
 
+using klotski::ShortCode;
+
 void short_code_speed_up() {
     ShortCode::speed_up(ShortCode::NORMAL);
 }

src/klotski/raw_code/convert.cc

@@ -2,7 +2,8 @@
 #include "common.h"
 #include "raw_code.h"
 
-using namespace klotski;
+using klotski::RawCode;
+using klotski::CommonCode;
 
 /// RawCode to CommonCode
 CommonCode RawCode::to_common_code() const {

src/klotski/raw_code/raw_code.cc

@@ -2,6 +2,8 @@
 #include "common.h"
 #include "raw_code.h"
 
+using klotski::RawCode;
+
 uint64_t RawCode::unwrap() const {
     return code; // raw uint64_t code
 }
@@ -31,7 +33,8 @@ bool RawCode::operator==(const RawCode &raw_code) const {
     return this->code == raw_code.code;
 }
 
-std::ostream& operator<<(std::ostream &out, const RawCode &self) {
+namespace klotski {
+    std::ostream &operator<<(std::ostream &out, const RawCode &self) {
         char code[16];
         char dump_map[] = {
                 /// 0x0  1x2  2x1  1x1  2x2  b101 b110 fill
@@ -44,6 +47,7 @@ std::ostream& operator<<(std::ostream &out, const RawCode &self) {
             out << " " << &"\n"[(addr & 0b11) != 0b01];
         }
         return out;
+    }
 }
 
 bool RawCode::check(uint64_t raw_code) { // check whether raw code is valid

src/klotski/raw_code/raw_code.h

@@ -39,10 +39,12 @@
 #include <ostream>
 #include "common_code.h"
 
-class CommonCode;
+namespace klotski {
+    /// import for convert interface
+    class CommonCode;
 
-class RawCode {
-public:
+    class RawCode {
+    public:
         bool valid() const;
         static bool check(uint64_t raw_code);
 
@@ -69,10 +71,11 @@ public:
 
         // TODO: mirror functions
 
-private:
+    private:
         uint64_t code;
         RawCode() = default; // unsafe initialize
 
         static uint64_t compact(uint64_t raw_code);
         static uint64_t extract(uint64_t common_code);
-};
+    };
+}

src/klotski/short_code/convert.cc

@@ -6,7 +6,8 @@
 #include "basic_ranges_offset.h"
 #include "range_prefix_offset.h"
 
-using namespace klotski;
+using klotski::ShortCode;
+using klotski::CommonCode;
 
 /// ShortCode to CommonCode
 CommonCode ShortCode::to_common_code() const { // convert to common code

src/klotski/short_code/serialize.cc

@@ -2,6 +2,8 @@
 #include "short_code.h"
 #include "serialize_chars.h"
 
+using klotski::ShortCode;
+
 ShortCode ShortCode::from_string(const std::string &short_code) {
     return ShortCode(short_code); // convert from string
 }

src/klotski/short_code/serialize_chars.h

@@ -2,19 +2,21 @@
 
 #include <cstdint>
 
-const int8_t SHORT_CODE_TABLE[32] = {
+namespace klotski {
+    const int8_t SHORT_CODE_TABLE[32] = {
         '1', '2', '3', '4', '5', '6', '7', '8', '9', // skip `0`
         'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', // skip `I`
         'J', 'K', // skip `L`
         'M', 'N', // skip `O`
         'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
-};
+    };
 
-/// `1`(49) ~ `Z`(90)
-const int8_t SHORT_CODE_TABLE_REV[42] = {
+    /// `1`(49) ~ `Z`(90)
+    const int8_t SHORT_CODE_TABLE_REV[42] = {
          0,  1,  2,  3,  4,  5,  6,  7,  8, // `1`(49) ~ `9`(57)
         -1, -1, -1, -1, -1, -1, -1, // `:`(58) ~ `@`(64)
          9, 10, 11, 12, 13, 14, 15, 16, -1, 17, // `A`(65) ~ `J`(74)
         18, -1, 19, 20, -1, 21, 22, 23, 24, 25, // `K`(75) ~ `T`(84)
         26, 27, 28, 29, 30, 31, // `U`(85) ~ `Z`(90)
-};
+    };
+}

src/klotski/short_code/short_code.cc

@@ -1,7 +1,7 @@
 #include "all_cases.h"
 #include "short_code.h"
 
-using namespace klotski;
+using klotski::ShortCode;
 
 uint32_t ShortCode::unwrap() const {
     return code; // raw uint32_t code
@@ -30,9 +30,11 @@ bool ShortCode::operator==(const ShortCode &short_code) const {
     return this->code == short_code.code;
 }
 
-std::ostream& operator<<(std::ostream &out, const ShortCode &self) {
+namespace klotski {
+    std::ostream &operator<<(std::ostream &out, const ShortCode &self) {
         out << self.to_string() << "(" << self.code << ")"; // short code info
         return out;
+    }
 }
 
 bool ShortCode::fast_mode_available = false;

src/klotski/short_code/short_code.h

@@ -5,12 +5,12 @@
 #include <ostream>
 #include "common_code.h"
 
-const uint32_t SHORT_CODE_LIMIT = 29334498;
+namespace klotski {
+    /// import for convert interface
+    class CommonCode;
 
-class CommonCode;
-
-class ShortCode {
-public:
+    class ShortCode {
+    public:
         enum Mode {NORMAL, FAST};
 
         bool valid() const;
@@ -44,14 +44,16 @@ public:
         static ShortCode from_common_code(const CommonCode &common_code);
         static ShortCode from_common_code(const std::string &common_code);
 
-private:
+    private:
         uint32_t code;
         static bool fast_mode_available;
         static bool normal_mode_available;
+        static const uint32_t SHORT_CODE_LIMIT = 29334498;
 
         static enum Mode mode();
         static uint64_t fast_decode(uint32_t short_code);
         static uint32_t fast_encode(uint64_t common_code);
         static uint64_t tiny_decode(uint32_t short_code);
         static uint32_t tiny_encode(uint64_t common_code);
-};
+    };
+}

src/klotski/utils/common.cc

@@ -1,6 +1,6 @@
 #include "common.h"
 
-using namespace klotski;
+using klotski::Common;
 
 uint32_t Common::range_reverse(uint32_t bin) { // reverse binary every 2-bits
     bin = ((bin << 16) & 0xFFFF0000) | ((bin >> 16) & 0x0000FFFF);

test/all_cases.cc

@@ -3,7 +3,10 @@
 #include "all_cases.h"
 #include "gtest/gtest.h"
 
-using namespace klotski;
+using klotski::AllCases;
+using klotski::BasicRanges;
+using klotski::ALL_CASES_SIZE;
+using klotski::BASIC_RANGES_SIZE;
 
 /// basic ranges constants
 const char BASIC_RANGES_MD5[] = "6f385dc171e201089ff96bb010b47212";

test/utils.cc

@@ -2,7 +2,7 @@
 #include "common.h"
 #include "gtest/gtest.h"
 
-using namespace klotski;
+using klotski::Common;
 
 TEST(Utils, range_reverse) {
     EXPECT_EQ(Common::range_reverse((uint32_t)0x00000003), (uint32_t)0xC0000000);