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use auto when possible

Browse Source 
fix typo
This commit is contained in:
Lu Wang 2014-11-16 22:04:02 +08:00
parent 527e7b6216
commit 92413fdec3
15 changed files with 117 additions and 130 deletions
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2
.travis.yml
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@ -4,7 +4,7 @@ before_install:
- sudo add-apt-repository ppa:fontforge/fontforge --yes
- sudo add-apt-repository ppa:coolwanglu/pdf2htmlex --yes
- sudo apt-get update -qq
- sudo apt-get install -qq libpoppler-dev libspiro-dev libcairo-dev libfreetype6-dev libltdl-dev libfontforge-dev libpango1.0-dev
- sudo apt-get install -qq libpoppler-dev libspiro-dev libcairo-dev libpango1.0-dev libfreetype6-dev libltdl-dev libfontforge-dev python-imaging wkhtmltopdf
before_script:
- cmake -DENABLE_SVG=ON .
script:

4
src/ArgParser.cc
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@ -143,9 +143,9 @@ void ArgParser::parse(int argc, char ** argv) const
void ArgParser::show_usage(ostream & out) const
{
for(auto iter = arg_entries.begin(); iter != arg_entries.end(); ++iter)
for(auto & entry : arg_entries)
{
(*iter)->show_usage(out);
entry->show_usage(out);
}
}

12
src/BackgroundRenderer/BackgroundRenderer.cc
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@ -18,34 +18,34 @@
namespace pdf2htmlEX {
BackgroundRenderer * BackgroundRenderer::getBackgroundRenderer(const std::string & format, HTMLRenderer * html_renderer, const Param & param)
std::unique_ptr<BackgroundRenderer> BackgroundRenderer::getBackgroundRenderer(const std::string & format, HTMLRenderer * html_renderer, const Param & param)
{
#ifdef ENABLE_LIBPNG
if(format == "png")
{
return new SplashBackgroundRenderer(format, html_renderer, param);
return std::unique_ptr<BackgroundRenderer>(new SplashBackgroundRenderer(format, html_renderer, param));
}
#endif
#ifdef ENABLE_LIBJPEG
if(format == "jpg")
{
return new SplashBackgroundRenderer(format, html_renderer, param);
return std::unique_ptr<BackgroundRenderer>(new SplashBackgroundRenderer(format, html_renderer, param));
}
#endif
#if ENABLE_SVG
if (format == "svg")
{
return new CairoBackgroundRenderer(html_renderer, param);
return std::unique_ptr<BackgroundRenderer>(new CairoBackgroundRenderer(html_renderer, param));
}
#endif
return nullptr;
}
BackgroundRenderer * BackgroundRenderer::getFallbackBackgroundRenderer(HTMLRenderer * html_renderer, const Param & param)
std::unique_ptr<BackgroundRenderer> BackgroundRenderer::getFallbackBackgroundRenderer(HTMLRenderer * html_renderer, const Param & param)
{
if (param.bg_format == "svg" && param.svg_node_count_limit >= 0)
return new SplashBackgroundRenderer("", html_renderer, param);
return std::unique_ptr<BackgroundRenderer>(new SplashBackgroundRenderer("", html_renderer, param));
return nullptr;
}

4
src/BackgroundRenderer/BackgroundRenderer.h
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@ -24,10 +24,10 @@ class BackgroundRenderer
{
public:
// return nullptr upon failure
static BackgroundRenderer * getBackgroundRenderer(const std::string & format, HTMLRenderer * html_renderer, const Param & param);
static std::unique_ptr<BackgroundRenderer> getBackgroundRenderer(const std::string & format, HTMLRenderer * html_renderer, const Param & param);
// Return a fallback bg renderer according to param.bg_format.
// Currently only svg bg format might need a bitmap fallback.
static BackgroundRenderer * getFallbackBackgroundRenderer(HTMLRenderer * html_renderer, const Param & param);
static std::unique_ptr<BackgroundRenderer> getFallbackBackgroundRenderer(HTMLRenderer * html_renderer, const Param & param);
BackgroundRenderer() {}
virtual ~BackgroundRenderer() {}

10
src/BackgroundRenderer/CairoBackgroundRenderer.cc
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@ -34,11 +34,11 @@ CairoBackgroundRenderer::CairoBackgroundRenderer(HTMLRenderer * html_renderer, c
CairoBackgroundRenderer::~CairoBackgroundRenderer()
{
for(auto itr = bitmaps_ref_count.begin(); itr != bitmaps_ref_count.end(); ++itr)
for(auto const& p : bitmaps_ref_count)
{
if (itr->second == 0)
if (p.second == 0)
{
html_renderer->tmp_files.add(this->build_bitmap_path(itr->first));
html_renderer->tmp_files.add(this->build_bitmap_path(p.first));
}
}
}
@ -186,8 +186,8 @@ bool CairoBackgroundRenderer::render_page(PDFDoc * doc, int pageno)
}
// the svg file is actually used, so add its bitmaps' ref count.
for (auto itr = bitmaps_in_current_page.begin(); itr != bitmaps_in_current_page.end(); itr++)
++bitmaps_ref_count[*itr];
for (auto id : bitmaps_in_current_page)
++bitmaps_ref_count[id];
return true;
}

18
src/HTMLRenderer/HTMLRenderer.h
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@ -10,6 +10,7 @@
#include <unordered_map>
#include <cstdint>
#include <fstream>
#include <memory>
#include <OutputDev.h>
#include <GfxState.h>
@ -40,9 +41,8 @@
namespace pdf2htmlEX {
class HTMLRenderer : public OutputDev
struct HTMLRenderer : OutputDev
{
public:
HTMLRenderer(const Param & param);
virtual ~HTMLRenderer();
@ -149,7 +149,7 @@ public:
// Does not fail on out-of-bound conditions, but return false.
bool is_char_covered(int index);
// Currently drawn char (glyph) count in current page.
int get_char_count() { return (int)covered_text_detecor.get_chars_covered().size(); }
int get_char_count() { return (int)covered_text_detector.get_chars_covered().size(); }
protected:
////////////////////////////////////////////////////
@ -304,9 +304,9 @@ protected:
} new_line_state;
// for font reencoding
int32_t * cur_mapping;
char ** cur_mapping2;
int * width_list;
std::vector<int32_t> cur_mapping;
std::vector<char*> cur_mapping2;
std::vector<int> width_list; // width of each char
Preprocessor preprocessor;
@ -321,8 +321,8 @@ protected:
#if ENABLE_SVG
friend class CairoBackgroundRenderer; // ugly!
#endif
BackgroundRenderer * bg_renderer;
BackgroundRenderer * fallback_bg_renderer;
std::unique_ptr<BackgroundRenderer> bg_renderer, fallback_bg_renderer;
struct {
std::ofstream fs;
@ -333,7 +333,7 @@ protected:
static const std::string MANIFEST_FILENAME;
CoveredTextDetector covered_text_detecor;
CoveredTextDetector covered_text_detector;
DrawingTracer tracer;
};

25
src/HTMLRenderer/font.cc
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@ -394,8 +394,8 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
GfxCIDFont * font_cid = nullptr;
string suffix = get_suffix(filepath);
for(auto iter = suffix.begin(); iter != suffix.end(); ++iter)
*iter = tolower(*iter);
for(auto & c : suffix)
c = tolower(c);
/*
* if parm->tounicode is 0, try the provided tounicode map first
@ -483,7 +483,7 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
unordered_set<string> nameset;
bool name_conflict_warned = false;
memset(cur_mapping2, 0, 0x100 * sizeof(char*));
std::fill(cur_mapping2.begin(), cur_mapping2.end(), (char*)nullptr);
for(int i = 0; i < 256; ++i)
{
@ -512,7 +512,7 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
}
}
ffw_reencode_raw2(cur_mapping2, 256, 0);
ffw_reencode_raw2(cur_mapping2.data(), 256, 0);
}
}
else
@ -576,8 +576,8 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
bool name_conflict_warned = false;
auto ctu = font->getToUnicode();
memset(cur_mapping, -1, 0x10000 * sizeof(*cur_mapping));
memset(width_list, -1, 0x10000 * sizeof(*width_list));
std::fill(cur_mapping.begin(), cur_mapping.end(), -1);
std::fill(width_list.begin(), width_list.end(), -1);
if(code2GID)
maxcode = min<int>(maxcode, code2GID_len - 1);
@ -639,9 +639,8 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
retried = true;
codeset.clear();
info.use_tounicode = false;
//TODO: constant for the length
memset(cur_mapping, -1, 0x10000 * sizeof(*cur_mapping));
memset(width_list, -1, 0x10000 * sizeof(*width_list));
std::fill(cur_mapping.begin(), cur_mapping.end(), -1);
std::fill(width_list.begin(), width_list.end(), -1);
cur_code = -1;
if(param.debug)
{
@ -700,9 +699,9 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
}
}
ffw_set_widths(width_list, max_key + 1, param.stretch_narrow_glyph, param.squeeze_wide_glyph);
ffw_set_widths(width_list.data(), max_key + 1, param.stretch_narrow_glyph, param.squeeze_wide_glyph);
ffw_reencode_raw(cur_mapping, max_key + 1, 1);
ffw_reencode_raw(cur_mapping.data(), max_key + 1, 1);
// In some space offsets in HTML, we insert a ' ' there in order to improve text copy&paste
// We need to make sure that ' ' is in the font, otherwise it would be very ugly if you select the text
@ -1061,8 +1060,8 @@ void HTMLRenderer::export_local_font(const FontInfo & info, GfxFont * font, cons
f_css.fs << "font-family:" << ((cssfont == "") ? (original_font_name + "," + general_font_family(font)) : cssfont) << ";";
string fn = original_font_name;
for(auto iter = fn.begin(); iter != fn.end(); ++iter)
*iter = tolower(*iter);
for(auto & c : fn)
c = tolower(c);
if(font->isBold() || (fn.find("bold") != string::npos))
f_css.fs << "font-weight:bold;";

63
src/HTMLRenderer/general.cc
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@ -3,7 +3,7 @@
*
* Handling general stuffs
*
* Copyright (C) 2012,2013 Lu Wang <coolwanglu@gmail.com>
* Copyright (C) 2012,2013,2014 Lu Wang <coolwanglu@gmail.com>
*/
#include <cstdio>
@ -56,9 +56,10 @@ HTMLRenderer::HTMLRenderer(const Param & param)
}
ffw_init(param.debug);
cur_mapping = new int32_t [0x10000];
cur_mapping2 = new char* [0x100];
width_list = new int [0x10000];
cur_mapping.resize(0x10000);
cur_mapping2.resize(0x100);
width_list.resize(0x10000);
/*
* For these states, usually the error will not be accumulated
@ -80,19 +81,16 @@ HTMLRenderer::HTMLRenderer(const Param & param)
all_manager.bottom .set_eps(EPS);
tracer.on_char_drawn =
[this](double * box) { covered_text_detecor.add_char_bbox(box); };
[this](double * box) { covered_text_detector.add_char_bbox(box); };
tracer.on_char_clipped =
[this](double * box, bool partial) { covered_text_detecor.add_char_bbox_clipped(box, partial); };
[this](double * box, bool partial) { covered_text_detector.add_char_bbox_clipped(box, partial); };
tracer.on_non_char_drawn =
[this](double * box) { covered_text_detecor.add_non_char_bbox(box); };
[this](double * box) { covered_text_detector.add_non_char_bbox(box); };
}
HTMLRenderer::~HTMLRenderer()
{
ffw_finalize();
delete [] cur_mapping;
delete [] cur_mapping2;
delete [] width_list;
}
void HTMLRenderer::process(PDFDoc *doc)
@ -106,8 +104,6 @@ void HTMLRenderer::process(PDFDoc *doc)
///////////////////
// Process pages
bg_renderer = nullptr;
fallback_bg_renderer = nullptr;
if(param.process_nontext)
{
bg_renderer = BackgroundRenderer::getBackgroundRenderer(param.bg_format, this, param);
@ -132,6 +128,7 @@ void HTMLRenderer::process(PDFDoc *doc)
if(param.split_pages)
{
// copy the string out, since we will reuse the buffer soon
string filled_template_filename = (char*)str_fmt(param.page_filename.c_str(), i);
auto page_fn = str_fmt("%s/%s", param.dest_dir.c_str(), filled_template_filename.c_str());
f_curpage = new ofstream((char*)page_fn, ofstream::binary);
@ -167,16 +164,8 @@ void HTMLRenderer::process(PDFDoc *doc)
post_process();
if(bg_renderer)
{
delete bg_renderer;
bg_renderer = nullptr;
}
if(fallback_bg_renderer)
{
delete fallback_bg_renderer;
fallback_bg_renderer = nullptr;
}
bg_renderer = nullptr;
fallback_bg_renderer = nullptr;
cerr << endl;
}
@ -188,7 +177,7 @@ void HTMLRenderer::setDefaultCTM(double *ctm)
void HTMLRenderer::startPage(int pageNum, GfxState *state, XRef * xref)
{
covered_text_detecor.reset();
covered_text_detector.reset();
tracer.reset(state);
this->pageNum = pageNum;
@ -235,8 +224,10 @@ void HTMLRenderer::endPage() {
if(param.process_nontext)
{
if (bg_renderer->render_page(cur_doc, pageNum))
{
bg_renderer->embed_image(pageNum);
else if (fallback_bg_renderer != nullptr)
}
else if (fallback_bg_renderer)
{
if (fallback_bg_renderer->render_page(cur_doc, pageNum))
fallback_bg_renderer->embed_image(pageNum);
@ -257,18 +248,20 @@ void HTMLRenderer::endPage() {
// dump info for js
// TODO: create a function for this
// BE CAREFUL WITH ESCAPES
(*f_curpage) << "<div class=\"" << CSS::PAGE_DATA_CN << "\" data-data='{";
//default CTM
(*f_curpage) << "\"ctm\":[";
for(int i = 0; i < 6; ++i)
{
if(i > 0) (*f_curpage) << ",";
(*f_curpage) << round(default_ctm[i]);
}
(*f_curpage) << "]";
(*f_curpage) << "<div class=\"" << CSS::PAGE_DATA_CN << "\" data-data='{";
(*f_curpage) << "}'></div>";
//default CTM
(*f_curpage) << "\"ctm\":[";
for(int i = 0; i < 6; ++i)
{
if(i > 0) (*f_curpage) << ",";
(*f_curpage) << round(default_ctm[i]);
}
(*f_curpage) << "]";
(*f_curpage) << "}'></div>";
}
// close page
(*f_curpage) << "</div>" << endl;
@ -388,7 +381,6 @@ void HTMLRenderer::post_process(void)
{
dump_css();
// close files if they opened
// it's better to brace single liner LLVM complains
if (param.process_outline)
{
f_outline.fs.close();
@ -542,7 +534,6 @@ void HTMLRenderer::embed_file(ostream & out, const string & path, const string &
string fn = get_filename(path);
string suffix = (type == "") ? get_suffix(fn) : type;
// TODO
auto iter = EMBED_STRING_MAP.find(suffix);
if(iter == EMBED_STRING_MAP.end())
{

2
src/HTMLRenderer/text.cc
View File

@ -153,7 +153,7 @@ void HTMLRenderer::drawString(GfxState * state, GooString * s)
bool HTMLRenderer::is_char_covered(int index)
{
auto covered = covered_text_detecor.get_chars_covered();
auto covered = covered_text_detector.get_chars_covered();
if (index < 0 || index >= (int)covered.size())
{
std::cerr << "Warning: HTMLRenderer::is_char_covered: index out of bound: "

14
src/HTMLTextPage.cc
View File

@ -23,10 +23,8 @@ HTMLTextPage::HTMLTextPage(const Param & param, AllStateManager & all_manager)
HTMLTextPage::~HTMLTextPage()
{
for(auto iter = text_lines.begin(); iter != text_lines.end(); ++iter)
{
delete (*iter);
}
for(auto p : text_lines)
delete p;
}
void HTMLTextPage::dump_text(ostream & out)
@ -35,12 +33,12 @@ void HTMLTextPage::dump_text(ostream & out)
{
// text lines may be split during optimization, collect them
std::vector<HTMLTextLine*> new_text_lines;
for(auto iter = text_lines.begin(); iter != text_lines.end(); ++iter)
(*iter)->optimize(new_text_lines);
for(auto p : text_lines)
p->optimize(new_text_lines);
std::swap(text_lines, new_text_lines);
}
for(auto iter = text_lines.begin(); iter != text_lines.end(); ++iter)
(*iter)->prepare();
for(auto p : text_lines)
p->prepare();
if(param.optimize_text)
optimize();

4
src/Preprocessor.cc
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@ -36,8 +36,8 @@ Preprocessor::Preprocessor(const Param & param)
Preprocessor::~Preprocessor(void)
{
for(auto iter = code_maps.begin(); iter != code_maps.end(); ++iter)
delete [] iter->second;
for(auto & p : code_maps)
delete [] p.second;
}
void Preprocessor::process(PDFDoc * doc)

68
src/StateManager.h
View File

@ -59,19 +59,19 @@ public:
}
void dump_css(std::ostream & out) {
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
out << "." << imp->get_css_class_name() << iter->second << "{";
imp->dump_value(out, iter->first);
out << "." << imp->get_css_class_name() << p.second << "{";
imp->dump_value(out, p.first);
out << "}" << std::endl;
}
}
void dump_print_css(std::ostream & out, double scale) {
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
out << "." << imp->get_css_class_name() << iter->second << "{";
imp->dump_print_value(out, iter->first, scale);
out << "." << imp->get_css_class_name() << p.second << "{";
imp->dump_print_value(out, p.first, scale);
out << "}" << std::endl;
}
}
@ -109,10 +109,10 @@ public:
}
void dump_css(std::ostream & out) {
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
out << "." << imp->get_css_class_name() << iter->second << "{";
imp->dump_value(out, iter->first);
out << "." << imp->get_css_class_name() << p.second << "{";
imp->dump_value(out, p.first);
out << "}" << std::endl;
}
}
@ -166,10 +166,10 @@ public:
imp->dump_transparent(out);
out << "}" << std::endl;
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
out << "." << imp->get_css_class_name() << iter->second << "{";
imp->dump_value(out, iter->first);
out << "." << imp->get_css_class_name() << p.second << "{";
imp->dump_value(out, p.first);
out << "}" << std::endl;
}
}
@ -307,15 +307,15 @@ public:
auto prefixes = {"", "-ms-", "-webkit-"};
if(tm_equal(m, ID_MATRIX, 4))
{
for(auto iter = prefixes.begin(); iter != prefixes.end(); ++iter)
out << *iter << "transform:none;";
for(auto & s : prefixes)
out << s << "transform:none;";
}
else
{
for(auto iter = prefixes.begin(); iter != prefixes.end(); ++iter)
for(auto & s : prefixes)
{
// PDF use a different coordinate system from Web
out << *iter << "transform:matrix("
out << s << "transform:matrix("
<< round(m[0]) << ','
<< round(-m[1]) << ','
<< round(-m[2]) << ','
@ -332,10 +332,10 @@ public:
static const char * get_css_class_name (void) { return CSS::FILL_COLOR_CN; }
/* override base's method, as we need some workaround in CSS */
void dump_css(std::ostream & out) {
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
out << "." << get_css_class_name() << iter->second
<< "{color:" << iter->first << ";}" << std::endl;
out << "." << get_css_class_name() << p.second
<< "{color:" << p.first << ";}" << std::endl;
}
}
};
@ -348,24 +348,24 @@ public:
void dump_css(std::ostream & out) {
// normal CSS
out << "." << get_css_class_name() << CSS::INVALID_ID << "{text-shadow:none;}" << std::endl;
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
// TODO: take the stroke width from the graphics state,
// currently using 0.015em as a good default
out << "." << get_css_class_name() << iter->second << "{text-shadow:"
<< "-0.015em 0 " << iter->first << ","
<< "0 0.015em " << iter->first << ","
<< "0.015em 0 " << iter->first << ","
<< "0 -0.015em " << iter->first << ";"
out << "." << get_css_class_name() << p.second << "{text-shadow:"
<< "-0.015em 0 " << p.first << ","
<< "0 0.015em " << p.first << ","
<< "0.015em 0 " << p.first << ","
<< "0 -0.015em " << p.first << ";"
<< "}" << std::endl;
}
// webkit
out << CSS::WEBKIT_ONLY << "{" << std::endl;
out << "." << get_css_class_name() << CSS::INVALID_ID << "{-webkit-text-stroke:0px transparent;}" << std::endl;
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
out << "." << get_css_class_name() << iter->second
<< "{-webkit-text-stroke:0.015em " << iter->first << ";text-shadow:none;}" << std::endl;
out << "." << get_css_class_name() << p.second
<< "{-webkit-text-stroke:0.015em " << p.first << ";text-shadow:none;}" << std::endl;
}
out << "}" << std::endl;
}
@ -385,20 +385,20 @@ public:
}
void dump_css(std::ostream & out) {
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
const auto & s = iter->second;
out << "." << CSS::PAGE_CONTENT_BOX_CN << iter->first << "{";
const auto & s = p.second;
out << "." << CSS::PAGE_CONTENT_BOX_CN << p.first << "{";
out << "background-size:" << round(s.first) << "px " << round(s.second) << "px;";
out << "}" << std::endl;
}
}
void dump_print_css(std::ostream & out, double scale) {
for(auto iter = value_map.begin(); iter != value_map.end(); ++iter)
for(auto & p : value_map)
{
const auto & s = iter->second;
out << "." << CSS::PAGE_CONTENT_BOX_CN << iter->first << "{";
const auto & s = p.second;
out << "." << CSS::PAGE_CONTENT_BOX_CN << p.first << "{";
out << "background-size:" << round(s.first * scale) << "pt " << round(s.second * scale) << "pt;";
out << "}" << std::endl;
}

8
src/TmpFiles.cc
View File

@ -46,8 +46,9 @@ double TmpFiles::get_total_size() const
{
double total_size = 0;
struct stat st;
for(auto iter = tmp_files.begin(); iter != tmp_files.end(); ++iter) {
stat(iter->c_str(), &st);
for(auto & fn : tmp_files)
{
stat(fn.c_str(), &st);
total_size += st.st_size;
}
@ -60,9 +61,8 @@ void TmpFiles::clean()
if(!param.clean_tmp)
return;
for(auto iter = tmp_files.begin(); iter != tmp_files.end(); ++iter)
for(auto & fn : tmp_files)
{
const string & fn = *iter;
remove(fn.c_str());
if(param.debug)
cerr << "Remove temporary file: " << fn << endl;

9
src/util/encoding.cc
View File

@ -131,9 +131,9 @@ void writeURL(ostream & out, const string & s)
void writeJSON(ostream & out, const string & s)
{
for(auto iter = s.begin(); iter != s.end(); ++iter)
for(auto c : s)
{
switch (*iter)
switch (c)
{
case '\\': out << "\\\\"; break;
case '"': out << "\\\""; break;
@ -144,16 +144,15 @@ void writeJSON(ostream & out, const string & s)
case '\n': out << "\\n"; break;
case '\r': out << "\\r"; break;
case '\t': out << "\\t"; break;
default: out << *iter; break;
default: out << c; break;
}
}
}
void writeAttribute(std::ostream & out, const std::string & s)
{
for (auto iter = s.begin(); iter != s.end(); ++iter)
for (auto c : s)
{
char c = *iter;
switch(c)
{
case '&':

4
src/util/path.cc
View File

@ -131,8 +131,8 @@ string get_suffix(const string & path)
else
{
string s = fn.substr(idx);
for(auto iter = s.begin(); iter != s.end(); ++iter)
*iter = tolower(*iter);
for(auto & c : s)
c = tolower(c);
return s;
}
}