YQL-13794 remove most of boost & ICU dependency

ref:eae1a1c30940ed737c886518182fd97bd872667d

1 files changed, 0 insertions, 144 deletions

diff --git a/contrib/libs/icu/i18n/bocsu.cpp b/contrib/libs/icu/i18n/bocsu.cpp
deleted file mode 100644
index 861a76a042..0000000000
--- a/contrib/libs/icu/i18n/bocsu.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-*******************************************************************************
-*   Copyright (C) 2001-2014, International Business Machines
-*   Corporation and others.  All Rights Reserved.
-*******************************************************************************
-*   file name:  bocsu.cpp
-*   encoding:   UTF-8
-*   tab size:   8 (not used)
-*   indentation:4
-*
-*   Author: Markus W. Scherer
-*
-*   Modification history:
-*   05/18/2001  weiv    Made into separate module
-*/
-
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_COLLATION
-
-#include "unicode/bytestream.h"
-#include "unicode/utf16.h"
-#include "bocsu.h"
-
-/*
- * encode one difference value -0x10ffff..+0x10ffff in 1..4 bytes,
- * preserving lexical order
- */
-static uint8_t *
-u_writeDiff(int32_t diff, uint8_t *p) {
-    if(diff>=SLOPE_REACH_NEG_1) {
-        if(diff<=SLOPE_REACH_POS_1) {
-            *p++=(uint8_t)(SLOPE_MIDDLE+diff);
-        } else if(diff<=SLOPE_REACH_POS_2) {
-            *p++=(uint8_t)(SLOPE_START_POS_2+(diff/SLOPE_TAIL_COUNT));
-            *p++=(uint8_t)(SLOPE_MIN+diff%SLOPE_TAIL_COUNT);
-        } else if(diff<=SLOPE_REACH_POS_3) {
-            p[2]=(uint8_t)(SLOPE_MIN+diff%SLOPE_TAIL_COUNT);
-            diff/=SLOPE_TAIL_COUNT;
-            p[1]=(uint8_t)(SLOPE_MIN+diff%SLOPE_TAIL_COUNT);
-            *p=(uint8_t)(SLOPE_START_POS_3+(diff/SLOPE_TAIL_COUNT));
-            p+=3;
-        } else {
-            p[3]=(uint8_t)(SLOPE_MIN+diff%SLOPE_TAIL_COUNT);
-            diff/=SLOPE_TAIL_COUNT;
-            p[2]=(uint8_t)(SLOPE_MIN+diff%SLOPE_TAIL_COUNT);
-            diff/=SLOPE_TAIL_COUNT;
-            p[1]=(uint8_t)(SLOPE_MIN+diff%SLOPE_TAIL_COUNT);
-            *p=SLOPE_MAX;
-            p+=4;
-        }
-    } else {
-        int32_t m;
-
-        if(diff>=SLOPE_REACH_NEG_2) {
-            NEGDIVMOD(diff, SLOPE_TAIL_COUNT, m);
-            *p++=(uint8_t)(SLOPE_START_NEG_2+diff);
-            *p++=(uint8_t)(SLOPE_MIN+m);
-        } else if(diff>=SLOPE_REACH_NEG_3) {
-            NEGDIVMOD(diff, SLOPE_TAIL_COUNT, m);
-            p[2]=(uint8_t)(SLOPE_MIN+m);
-            NEGDIVMOD(diff, SLOPE_TAIL_COUNT, m);
-            p[1]=(uint8_t)(SLOPE_MIN+m);
-            *p=(uint8_t)(SLOPE_START_NEG_3+diff);
-            p+=3;
-        } else {
-            NEGDIVMOD(diff, SLOPE_TAIL_COUNT, m);
-            p[3]=(uint8_t)(SLOPE_MIN+m);
-            NEGDIVMOD(diff, SLOPE_TAIL_COUNT, m);
-            p[2]=(uint8_t)(SLOPE_MIN+m);
-            NEGDIVMOD(diff, SLOPE_TAIL_COUNT, m);
-            p[1]=(uint8_t)(SLOPE_MIN+m);
-            *p=SLOPE_MIN;
-            p+=4;
-        }
-    }
-    return p;
-}
-
-/*
- * Encode the code points of a string as
- * a sequence of byte-encoded differences (slope detection),
- * preserving lexical order.
- *
- * Optimize the difference-taking for runs of Unicode text within
- * small scripts:
- *
- * Most small scripts are allocated within aligned 128-blocks of Unicode
- * code points. Lexical order is preserved if "prev" is always moved
- * into the middle of such a block.
- *
- * Additionally, "prev" is moved from anywhere in the Unihan
- * area into the middle of that area.
- * Note that the identical-level run in a sort key is generated from
- * NFD text - there are never Hangul characters included.
- */
-U_CFUNC UChar32
-u_writeIdenticalLevelRun(UChar32 prev, const UChar *s, int32_t length, icu::ByteSink &sink) {
-    char scratch[64];
-    int32_t capacity;
-
-    int32_t i=0;
-    while(i<length) {
-        char *buffer=sink.GetAppendBuffer(1, length*2, scratch, (int32_t)sizeof(scratch), &capacity);
-        uint8_t *p;
-        // We must have capacity>=SLOPE_MAX_BYTES in case u_writeDiff() writes that much,
-        // but we do not want to force the sink.GetAppendBuffer() to allocate
-        // for a large min_capacity because we might actually only write one byte.
-        if(capacity<16) {
-            buffer=scratch;
-            capacity=(int32_t)sizeof(scratch);
-        }
-        p=reinterpret_cast<uint8_t *>(buffer);
-        uint8_t *lastSafe=p+capacity-SLOPE_MAX_BYTES;
-        while(i<length && p<=lastSafe) {
-            if(prev<0x4e00 || prev>=0xa000) {
-                prev=(prev&~0x7f)-SLOPE_REACH_NEG_1;
-            } else {
-                /*
-                 * Unihan U+4e00..U+9fa5:
-                 * double-bytes down from the upper end
-                 */
-                prev=0x9fff-SLOPE_REACH_POS_2;
-            }
-
-            UChar32 c;
-            U16_NEXT(s, i, length, c);
-            if(c==0xfffe) {
-                *p++=2;  // merge separator
-                prev=0;
-            } else {
-                p=u_writeDiff(c-prev, p);
-                prev=c;
-            }
-        }
-        sink.Append(buffer, (int32_t)(p-reinterpret_cast<uint8_t *>(buffer)));
-    }
-    return prev;
-}
-
-#endif /* #if !UCONFIG_NO_COLLATION */