yu1745andClaude Opus 5.5
62dbc6ded9
Fcitx 5 integration for the WeType Android ARM64 input engine, running through QEMU user mode. The AppImage ships only this project's code plus redistributable runtime pieces; the official WeType APK is downloaded from Tencent at install time, verified, and patched locally. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/* Route A harness v2: 直调引擎平面 C API。
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* 结构体布局为静态重建（v1，待真值对拍）。 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dlfcn.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <sys/types.h>
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/* 布局偏移（十进制字节，基址=传入指针） */
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#define OFF_PLATFORM 0 /* int */
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#define OFF_PTR16 16 /* 引擎读取，语义未明 */
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#define OFF_WORKDIR 24 /* char* 工作目录（引擎自动建目录） */
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#define OFF_FLOAT184 184
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#define OFF_FLOAT188 188
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#define STRUCT_SIZE 384
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int main(int argc, char **argv) {
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if (argc < 2) { fprintf(stderr, "usage: engine <libwxhld.so> [platform]\n"); return 2; }
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const char *lib = argv[1];
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int platform = argc > 2 ? atoi(argv[2]) : 0;
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void *h = dlopen(lib, RTLD_NOW);
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if (!h) { printf("dlopen FAILED: %s\n", dlerror()); return 1; }
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printf("dlopen ok: %s\n", lib);
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void *sym_uin = dlsym(h, "wxime_reset_user_id");
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printf("wxime_reset_user_id @ %p\n", sym_uin);
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void *sym_init = dlsym(h, "wxime_initialize");
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if (!sym_init) { printf("dlsym wxime_initialize FAILED: %s\n", dlerror()); return 1; }
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printf("wxime_initialize @ %p\n", sym_init);
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if (mkdir("/tmp/wetype-work", 0755) && errno != EEXIST) {}
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static unsigned char buf[STRUCT_SIZE];
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memset(buf, 0, sizeof buf);
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*(int *)(buf + OFF_PLATFORM) = platform;
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/* 引擎会 free 这些指针：必须 malloc，不能传 rodata/栈内存 */
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*(char **)(buf + OFF_WORKDIR) = strdup("/tmp/wetype-work");
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/* uin 必须纯数字（内部 stoull），且要在 initialize 之前设 */
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const char *uin = "10000001";
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if (sym_uin) {
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int ru = ((int (*)(const char *, int))sym_uin)(uin, (int)strlen(uin));
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printf("wxime_reset_user_id(%s) -> %d\n", uin, ru);
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}
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/* 暴力实证：全部 {ptr,len} 对都填 uin，找出哪组是 uin 源 */
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{
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static const int pair_offs[] = {48, 64, 88, 104, 120};
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for (unsigned i = 0; i < sizeof(pair_offs)/sizeof(pair_offs[0]); i++) {
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char *p = strdup(uin);
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*(char **)(buf + pair_offs[i]) = p;
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*(int *)(buf + pair_offs[i] + 8) = (int)strlen(uin);
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printf(" pair+%d -> data=%p\n", pair_offs[i], (void *)p);
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}
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/* +168 不是字符串对，是指向容器对象的指针：{?, ?, data@+16, count@+24}。
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填空容器（count=0）→ 引擎跳过遍历。 */
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static unsigned char empty_container[32];
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memset(empty_container, 0, sizeof empty_container);
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*(void **)(buf + 168) = empty_container;
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fflush(stdout);
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}
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*(float *)(buf + OFF_FLOAT184) = 1.0f;
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*(float *)(buf + OFF_FLOAT188) = 1.0f;
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printf("calling wxime_initialize(platform=%d, workdir=/tmp/wetype-work)...\n", platform);
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fflush(stdout);
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int r = ((int (*)(void *))sym_init)(buf);
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printf("wxime_initialize -> %d (0x%x)\n", r, r);
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fflush(stdout);
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return 0;
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}
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