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102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
#ifndef R2_DIFF_H
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#define R2_DIFF_H
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#include <r_types.h>
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#include <r_util.h>
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#include <r_cons.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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R_LIB_VERSION_HEADER(r_diff);
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#define Color_INSERT Color_BGREEN
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#define Color_DELETE Color_BRED
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#define Color_BGINSERT "\x1b[48;5;22m"
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#define Color_BGDELETE "\x1b[48;5;52m"
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#define Color_HLINSERT Color_BGINSERT Color_INSERT
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#define Color_HLDELETE Color_BGDELETE Color_DELETE
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typedef struct r_diff_op_t {
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/* file A */
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ut64 a_off;
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const ut8 *a_buf;
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ut32 a_len;
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/* file B */
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ut64 b_off;
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const ut8 *b_buf;
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ut32 b_len;
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} RDiffOp;
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//typedef struct r_diff_t RDiff;
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typedef struct r_diff_t {
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ut64 off_a;
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ut64 off_b;
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int delta;
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void *user;
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bool verbose;
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int type;
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char *diff_cmd;
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int (*callback)(struct r_diff_t *diff, void *user, RDiffOp *op);
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} RDiff;
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typedef enum {
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LEVEND, // array terminator
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LEVNOP, // no change
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LEVSUB, // substitution
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LEVADD, // add byte in bufb to bufa
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LEVDEL // delete byte from bufa
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} RLevOp;
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typedef struct r_lev_buf {
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void *buf;
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ut32 len;
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} RLevBuf;
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typedef bool (*RLevMatches)(RLevBuf *a, RLevBuf *b, ut32 ia, ut32 ib);
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typedef int (*RDiffCallback) (RDiff *diff, void *user, RDiffOp *op);
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typedef struct r_diffchar_t {
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const ut8 *align_a;
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const ut8 *align_b;
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size_t len_buf;
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size_t start_align;
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} RDiffChar;
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/* XXX: this api needs to be reviewed , constructor with offa+offb?? */
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#ifdef R_API
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R_API RDiff *r_diff_new(void);
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R_API RDiff *r_diff_new_from(ut64 off_a, ut64 off_b);
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R_API void r_diff_free(RDiff *d);
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R_API int r_diff_buffers(RDiff *d, const ut8 *a, ut32 la, const ut8 *b, ut32 lb);
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R_API int r_diff_buffers_static(RDiff *d, const ut8 *a, int la, const ut8 *b, int lb);
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R_API int r_diff_buffers_radiff(RDiff *d, const ut8 *a, int la, const ut8 *b, int lb);
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R_API int r_diff_buffers_delta(RDiff *diff, const ut8 *sa, int la, const ut8 *sb, int lb);
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R_API int r_diff_buffers(RDiff *d, const ut8 *a, ut32 la, const ut8 *b, ut32 lb);
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R_API char *r_diff_buffers_to_string(RDiff *d, const ut8 *a, int la, const ut8 *b, int lb);
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R_API int r_diff_set_callback(RDiff *d, RDiffCallback callback, void *user);
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R_API bool r_diff_buffers_distance(RDiff *d, const ut8 *a, ut32 la, const ut8 *b, ut32 lb, ut32 *distance, double *similarity);
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R_API bool r_diff_buffers_distance_myers(RDiff *diff, const ut8 *a, ut32 la, const ut8 *b, ut32 lb, ut32 *distance, double *similarity);
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R_API bool r_diff_buffers_distance_levenshtein(RDiff *d, const ut8 *a, ut32 la, const ut8 *b, ut32 lb, ut32 *distance, double *similarity);
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R_API char *r_diff_buffers_unified(RDiff *d, const ut8 *a, int la, const ut8 *b, int lb);
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/* static method !??! */
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R_API int r_diff_lines(const char *file1, const char *sa, int la, const char *file2, const char *sb, int lb);
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R_API int r_diff_set_delta(RDiff *d, int delta);
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R_API int r_diff_gdiff(const char *file1, const char *file2, int rad, int va);
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R_API RDiffChar *r_diffchar_new(const ut8 *a, const ut8 *b);
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R_API void r_diffchar_print(RDiffChar *diffchar);
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R_API void r_diffchar_free(RDiffChar *diffchar);
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R_API st32 r_diff_levenshtein_path(RLevBuf *bufa, RLevBuf *bufb, ut32 maxdst, RLevMatches levdiff, RLevOp **chgs);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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