From 6aa58d51be42e7d5fa7770171f656b9222026366 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 26 Feb 2022 12:04:24 -0500
Subject: Rename bits.icc to bits_include.cc

---
 libqpdf/bits.icc | 154 -------------------------------------------------------
 1 file changed, 154 deletions(-)
 delete mode 100644 libqpdf/bits.icc

(limited to 'libqpdf/bits.icc')

diff --git a/libqpdf/bits.icc b/libqpdf/bits.icc
deleted file mode 100644
index 14c4640d..00000000
--- a/libqpdf/bits.icc
+++ /dev/null
@@ -1,154 +0,0 @@
-
-#ifndef __BITS_CC__
-#define __BITS_CC__
-
-#include <algorithm>
-#include <stdexcept>
-#include <qpdf/QTC.hh>
-#include <qpdf/Pipeline.hh>
-#include <qpdf/QUtil.hh>
-
-// These functions may be run at places where the function call
-// overhead from test coverage testing would be too high.  Therefore,
-// we make the test coverage cases conditional upon a preprocessor
-// symbol.  BitStream.cc includes this file without defining the
-// symbol, and the specially designed test code that fully exercises
-// this code includes with the symbol defined.
-
-#ifdef BITS_READ
-static unsigned long long
-read_bits(unsigned char const*& p, size_t& bit_offset,
-          size_t& bits_available, size_t bits_wanted)
-{
-    // View p as a stream of bits:
-
-    // 76543210 76543210 ....
-
-    // bit_offset is the bit number within the first byte that marks
-    // the first bit that we would read.
-
-    if (bits_wanted > bits_available)
-    {
-        throw std::runtime_error(
-            "overflow reading bit stream: wanted = " +
-            QUtil::uint_to_string(bits_wanted) + "; available = " +
-            QUtil::uint_to_string(bits_available));
-    }
-    if (bits_wanted > 32)
-    {
-        throw std::out_of_range("read_bits: too many bits requested");
-    }
-
-    unsigned long result = 0;
-#ifdef BITS_TESTING
-    if (bits_wanted == 0)
-    {
-        QTC::TC("libtests", "bits zero bits wanted");
-    }
-#endif
-    while (bits_wanted > 0)
-    {
-        // Grab bits from the first byte clearing anything before
-        // bit_offset.
-        unsigned char byte = static_cast<unsigned char>(
-            *p & ((1U << (bit_offset + 1U)) - 1U));
-
-        // There are bit_offset + 1 bits available in the first byte.
-        size_t to_copy = std::min(bits_wanted, bit_offset + 1);
-        size_t leftover = (bit_offset + 1) - to_copy;
-
-#ifdef BITS_TESTING
-        QTC::TC("libtests", "bits bit_offset",
-                ((bit_offset == 0) ? 0 :
-                 (bit_offset == 7) ? 1 :
-                 2));
-        QTC::TC("libtests", "bits leftover", (leftover > 0) ? 1 : 0);
-#endif
-
-        // Right shift so that all the bits we want are right justified.
-        byte = static_cast<unsigned char>(byte >> leftover);
-
-        // Copy the bits into result
-        result <<= to_copy;
-        result |= byte;
-
-        // Update pointers
-        if (leftover)
-        {
-            bit_offset = leftover - 1;
-        }
-        else
-        {
-            bit_offset = 7;
-            ++p;
-        }
-        bits_wanted -= to_copy;
-        bits_available -= to_copy;
-
-#ifdef BITS_TESTING
-        QTC::TC("libtests", "bits iterations",
-                ((bits_wanted > 8) ? 0 :
-                 (bits_wanted > 0) ? 1 :
-                 2));
-#endif
-    }
-
-    return result;
-}
-#endif
-
-#ifdef BITS_WRITE
-static void
-write_bits(unsigned char& ch, size_t& bit_offset,
-           unsigned long long val, size_t bits, Pipeline* pipeline)
-{
-    if (bits > 32)
-    {
-        throw std::out_of_range("write_bits: too many bits requested");
-    }
-
-    // bit_offset + 1 is the number of bits left in ch
-#ifdef BITS_TESTING
-    if (bits == 0)
-    {
-        QTC::TC("libtests", "bits write zero bits");
-    }
-#endif
-    while (bits > 0)
-    {
-        size_t bits_to_write = std::min(bits, bit_offset + 1);
-        unsigned char newval = static_cast<unsigned char>(
-            (val >> (bits - bits_to_write)) & ((1U << bits_to_write) - 1));
-        size_t bits_left_in_ch = bit_offset + 1 - bits_to_write;
-        newval = static_cast<unsigned char>(newval << bits_left_in_ch);
-        ch |= newval;
-        if (bits_left_in_ch == 0)
-        {
-#ifdef BITS_TESTING
-            QTC::TC("libtests", "bits write pipeline");
-#endif
-            pipeline->write(&ch, 1);
-            bit_offset = 7;
-            ch = 0;
-        }
-        else
-        {
-#ifdef BITS_TESTING
-            QTC::TC("libtests", "bits write leftover");
-#endif
-            bit_offset -= bits_to_write;
-        }
-        bits -= bits_to_write;
-#ifdef BITS_TESTING
-        QTC::TC("libtests", "bits write iterations",
-                ((bits > 8) ? 0 :
-                 (bits > 0) ? 1 :
-                 2));
-#endif
-    }
-
-}
-#endif
-
-
-#endif // __BITS_CC__
-- 
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