From fc4feb6f1abff887e22eaca05ae260e5eb7376c7 Mon Sep 17 00:00:00 2001
From: m-holger <m-holger@kubitscheck.org>
Date: Thu, 25 Aug 2022 14:56:52 +0100
Subject: Remove BufferInputSource::Members

---
 libqpdf/BufferInputSource.cc | 85 ++++++++++++++++++++------------------------
 1 file changed, 39 insertions(+), 46 deletions(-)

(limited to 'libqpdf')

diff --git a/libqpdf/BufferInputSource.cc b/libqpdf/BufferInputSource.cc
index 5b59c801..6402f639 100644
--- a/libqpdf/BufferInputSource.cc
+++ b/libqpdf/BufferInputSource.cc
@@ -7,8 +7,8 @@
 #include <stdexcept>
 #include <string.h>
 
-BufferInputSource::Members::Members(
-    bool own_memory, std::string const& description, Buffer* buf) :
+BufferInputSource::BufferInputSource(
+    std::string const& description, Buffer* buf, bool own_memory) :
     own_memory(own_memory),
     description(description),
     buf(buf),
@@ -17,61 +17,55 @@ BufferInputSource::Members::Members(
 {
 }
 
-BufferInputSource::BufferInputSource(
-    std::string const& description, Buffer* buf, bool own_memory) :
-    m(new Members(own_memory, description, buf))
-{
-}
-
 BufferInputSource::BufferInputSource(
     std::string const& description, std::string const& contents) :
-    m(new Members(true, description, nullptr))
+    own_memory(true),
+    description(description),
+    buf(new Buffer(contents.length())),
+    cur_offset(0),
+    max_offset(QIntC::to_offset(buf->getSize()))
 {
-    this->m->buf = new Buffer(contents.length());
-    this->m->max_offset = QIntC::to_offset(this->m->buf->getSize());
-    unsigned char* bp = this->m->buf->getBuffer();
-    memcpy(bp, contents.c_str(), contents.length());
+    memcpy(buf->getBuffer(), contents.c_str(), contents.length());
 }
 
 BufferInputSource::~BufferInputSource()
 {
-    if (this->m->own_memory) {
-        delete this->m->buf;
+    if (this->own_memory) {
+        delete this->buf;
     }
 }
 
 qpdf_offset_t
 BufferInputSource::findAndSkipNextEOL()
 {
-    if (this->m->cur_offset < 0) {
+    if (this->cur_offset < 0) {
         throw std::logic_error("INTERNAL ERROR: BufferInputSource offset < 0");
     }
-    qpdf_offset_t end_pos = this->m->max_offset;
-    if (this->m->cur_offset >= end_pos) {
+    qpdf_offset_t end_pos = this->max_offset;
+    if (this->cur_offset >= end_pos) {
         this->last_offset = end_pos;
-        this->m->cur_offset = end_pos;
+        this->cur_offset = end_pos;
         return end_pos;
     }
 
     qpdf_offset_t result = 0;
-    unsigned char const* buffer = this->m->buf->getBuffer();
+    unsigned char const* buffer = this->buf->getBuffer();
     unsigned char const* end = buffer + end_pos;
-    unsigned char const* p = buffer + this->m->cur_offset;
+    unsigned char const* p = buffer + this->cur_offset;
 
     while ((p < end) && !((*p == '\r') || (*p == '\n'))) {
         ++p;
     }
     if (p < end) {
         result = p - buffer;
-        this->m->cur_offset = result + 1;
+        this->cur_offset = result + 1;
         ++p;
-        while ((this->m->cur_offset < end_pos) &&
-               ((*p == '\r') || (*p == '\n'))) {
+        while ((this->cur_offset < end_pos) && ((*p == '\r') || (*p == '\n'))) {
             ++p;
-            ++this->m->cur_offset;
+            ++this->cur_offset;
         }
     } else {
-        this->m->cur_offset = end_pos;
+        this->cur_offset = end_pos;
         result = end_pos;
     }
     return result;
@@ -80,13 +74,13 @@ BufferInputSource::findAndSkipNextEOL()
 std::string const&
 BufferInputSource::getName() const
 {
-    return this->m->description;
+    return this->description;
 }
 
 qpdf_offset_t
 BufferInputSource::tell()
 {
-    return this->m->cur_offset;
+    return this->cur_offset;
 }
 
 void
@@ -94,17 +88,17 @@ BufferInputSource::seek(qpdf_offset_t offset, int whence)
 {
     switch (whence) {
     case SEEK_SET:
-        this->m->cur_offset = offset;
+        this->cur_offset = offset;
         break;
 
     case SEEK_END:
-        QIntC::range_check(this->m->max_offset, offset);
-        this->m->cur_offset = this->m->max_offset + offset;
+        QIntC::range_check(this->max_offset, offset);
+        this->cur_offset = this->max_offset + offset;
         break;
 
     case SEEK_CUR:
-        QIntC::range_check(this->m->cur_offset, offset);
-        this->m->cur_offset += offset;
+        QIntC::range_check(this->cur_offset, offset);
+        this->cur_offset += offset;
         break;
 
     default:
@@ -113,42 +107,41 @@ BufferInputSource::seek(qpdf_offset_t offset, int whence)
         break;
     }
 
-    if (this->m->cur_offset < 0) {
+    if (this->cur_offset < 0) {
         throw std::runtime_error(
-            this->m->description + ": seek before beginning of buffer");
+            this->description + ": seek before beginning of buffer");
     }
 }
 
 void
 BufferInputSource::rewind()
 {
-    this->m->cur_offset = 0;
+    this->cur_offset = 0;
 }
 
 size_t
 BufferInputSource::read(char* buffer, size_t length)
 {
-    if (this->m->cur_offset < 0) {
+    if (this->cur_offset < 0) {
         throw std::logic_error("INTERNAL ERROR: BufferInputSource offset < 0");
     }
-    qpdf_offset_t end_pos = this->m->max_offset;
-    if (this->m->cur_offset >= end_pos) {
+    qpdf_offset_t end_pos = this->max_offset;
+    if (this->cur_offset >= end_pos) {
         this->last_offset = end_pos;
         return 0;
     }
 
-    this->last_offset = this->m->cur_offset;
-    size_t len =
-        std::min(QIntC::to_size(end_pos - this->m->cur_offset), length);
-    memcpy(buffer, this->m->buf->getBuffer() + this->m->cur_offset, len);
-    this->m->cur_offset += QIntC::to_offset(len);
+    this->last_offset = this->cur_offset;
+    size_t len = std::min(QIntC::to_size(end_pos - this->cur_offset), length);
+    memcpy(buffer, this->buf->getBuffer() + this->cur_offset, len);
+    this->cur_offset += QIntC::to_offset(len);
     return len;
 }
 
 void
 BufferInputSource::unreadCh(char ch)
 {
-    if (this->m->cur_offset > 0) {
-        --this->m->cur_offset;
+    if (this->cur_offset > 0) {
+        --this->cur_offset;
     }
 }
-- 
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