From 3da81e4b9cc9c4477816add74f85fd0cd070621f Mon Sep 17 00:00:00 2001 From: gb <741021719@qq.com> Date: Wed, 18 Jan 2023 15:16:59 +0800 Subject: [PATCH] =?UTF-8?q?=E5=A4=B4=E6=96=87=E4=BB=B6=E7=A7=BB=E5=88=B0sd?= =?UTF-8?q?k=E7=9B=AE=E5=BD=95=EF=BC=9B=E6=81=A2=E5=A4=8DCRC=E6=A0=A1?= =?UTF-8?q?=E9=AA=8C?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- app_language.cpp | 81 ++++++++++++++++++++++++++++++++++++++++++++++-- app_language.h | 77 --------------------------------------------- 2 files changed, 78 insertions(+), 80 deletions(-) delete mode 100644 app_language.h diff --git a/app_language.cpp b/app_language.cpp index 8b92bf2..aa7372c 100644 --- a/app_language.cpp +++ b/app_language.cpp @@ -1,6 +1,6 @@ #pragma once -#include "app_language.h" +#include "lang/app_language.h" #if defined(_WIN32) || defined(_WIN64) #define PATH_SEPERATOR "\\" @@ -16,6 +16,81 @@ #include #include +namespace util +{ + const uint32_t crc_table[256] = { + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL + }; + +#define CRC32(c, b) (crc_table[((int)(c) ^ (b)) & 0xff] ^ ((c) >> 8)) +#define DO1(buf) crc = CRC32(crc, *buf++) +#define DO2(buf) DO1(buf); DO1(buf) +#define DO4(buf) DO2(buf); DO2(buf) +#define DO8(buf) DO4(buf); DO4(buf) + + uint32_t crc32(uint32_t crc, const uint8_t* buf, uint32_t len) + { + if (buf == NULL) return 0L; + crc = crc ^ 0xffffffffL; + while (len >= 8) { DO8(buf); len -= 8; } + if (len) do { DO1(buf); } while (--len); + + return crc ^ 0xffffffffL; // (instead of ~c for 64-bit machines) + } + +}; + // *.pak ... //typedef struct _lang_pak //{ @@ -85,7 +160,7 @@ class lang_mgr } uint32_t calculate_crc32(uint8_t* data, uint32_t len, uint32_t prev = 0) { - return 0; + return util::crc32(prev, data, len); } uint32_t get_cur_code_page_id(void) { @@ -167,7 +242,7 @@ class lang_mgr memset(buf, 0, len + 4); len = fread(buf, 1, len, src); if (len == *(uint32_t*)buf - /* && calculate_crc32(buf + sizeof(uint32_t)* 2, len - sizeof(uint32_t) * 2) == ((uint32_t*)buf)[1]*/) + && calculate_crc32(buf + sizeof(uint32_t)* 2, len - sizeof(uint32_t) * 2) == ((uint32_t*)buf)[1]) { cont = std::string((char*)buf, len); } diff --git a/app_language.h b/app_language.h deleted file mode 100644 index e8e5fa2..0000000 --- a/app_language.h +++ /dev/null @@ -1,77 +0,0 @@ -#pragma once - -#if defined(_WIN32) || defined(_WIN64) -#include -#ifndef uint32_t -typedef unsigned int uint32_t; -#endif -#ifndef LANG_EXPORT -#ifdef _DEBUG -#pragma comment(lib, "Debug/lang.lib") -#else -#pragma comment(lib, "Release/lang.lib") -#endif -#endif -#endif - -// purpose: APP language utility -// -// Date: 2023-01-16 -// -// Implement: 语言包封装为独立的模块,提供以下API供程序调用 -// -// 所需语言包按代码页区分为独立的文件，安装时部署在安装目录下的“lang”子目录下，扩展名为“.pak” - -extern "C" -{ -#pragma pack(push) -#pragma pack(1) - typedef struct _lan_attr - { - int cp; // code page - uint32_t id; // 语言名称全局唯一ID - char *name; // 以当前语言环境显示的名称，UTF-8 - }LANATTR; -#pragma pack(pop) - - // Function: 初始化语言包 - // - // Parameter: param - 保留供后期扩展 - // - // Return: 返回当前应用的语言包代码页，-1为语言包文件丢失，需要提醒用户程序文件损坏并退出 - extern int lang_initialize(void* param = nullptr); - - // Function: 获取APP当前支持的所有语言包 - // - // Parameter: 无 - // - // Return: LANATTR指针数组pptr，直到pptr[]为nullptr为止 - extern LANATTR** lang_get_supported_languages(void); - - // Function: 获取APP当前语言包/代码页 - // - // Parameter: 无 - // - // Return: 代码页 - extern int lang_get_cur_code_page(void); - - // Function: 设置APP语言包/代码页（APP运行时会自动选定当前代码页，无特殊需要不需要专门调用） - // - // Parameter: cp - 代码页，若为“0”，则自动匹配系统当前代码页 - // - // Return: 0 - 成功 - // ENOENT - APP不支持该代码页 - extern int lang_set_code_page(int cp = 0); - - // Function: 加载当前代码页的字符串资源 （UTF-8） - // - // Parameters: id - 字符串ID，全局唯一 - // - // err - 获取id对应的字符串错误码 - // 0 - 成功 - // ENOENT - 所需ID资源，在当前代码页中没找到 - // - // Return: 对应的字符串指针，如果失败返回长度为0的空字符串 ""。调用者不用释放返回指针，但也不要改动该指针内容 - extern const char* lang_load_string(uint32_t id, int* err); -} -