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WebView: autodetect encoding, fix crash on "dd" tag overflow, write ipfame link

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git-svn-id: svn://kolibrios.org@7762 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Kirill Lipatov (Leency) 2020-04-04 19:13:03 +00:00
parent 41f0cf93f5
commit 1ae3511fb7
3 changed files with 115 additions and 91 deletions
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113
programs/cmm/TWB/TWB.c
View File

@ -36,15 +36,16 @@ struct TWebBrowser {
dword bufpointer;
dword bufsize;
void DrawStyle();
void SetPageDefaults();
void AddCharToTheLine();
void ParseHtml();
void SetStyle();
void DrawStyle();
void DrawPage();
void DrawScroller();
void NewLine();
bool CheckForLineBreak();
void NewLine();
void DrawScroller();
void ChangeEncoding();
void DrawPage();
char line[500];
char header[150];
};
@ -55,6 +56,7 @@ scroll_bar scroll_wv = { 15,NULL,NULL,NULL,0,2,NULL,0,0,0xeeeeee,0xBBBbbb,0xeeee
void TWebBrowser::DrawStyle()
{
dword start_x, line_length, stolbec_len;
dword text_color__;
if (style.tag_title)
{
@ -91,10 +93,14 @@ void TWebBrowser::DrawStyle()
DrawBuf.DrawBar(start_x, draw_y + list.item_h - calc(zoom*2), line_length, zoom, 0x999999);
}
DrawBuf.WriteText(start_x, draw_y, list.font_type, text_colors[text_color_index], #line);
if (style.b) DrawBuf.WriteText(start_x+1, draw_y, list.font_type, text_colors[text_color_index], #line);
if (style.s) DrawBuf.DrawBar(start_x, list.item_h / 2 - zoom + draw_y, line_length, zoom, text_colors[text_color_index]);
if (style.u) DrawBuf.DrawBar(start_x, list.item_h - zoom - zoom + draw_y, line_length, zoom, text_colors[text_color_index]);
text_color__ = text_colors[text_color_index];
if (link) && (text_colors[text_color_index]==text_colors[0]) text_color__ = link_color_default;
DrawBuf.WriteText(start_x, draw_y, list.font_type, text_color__, #line);
if (style.b) DrawBuf.WriteText(start_x+1, draw_y, list.font_type, text_color__, #line);
if (style.s) DrawBuf.DrawBar(start_x, list.item_h / 2 - zoom + draw_y, line_length, zoom, text_color__);
if (style.u) DrawBuf.DrawBar(start_x, list.item_h - zoom - zoom + draw_y, line_length, zoom, text_color__);
if (link) {
if (line[0]==' ') && (line[1]==NULL) {} else {
DrawBuf.DrawBar(start_x, draw_y + list.item_h - calc(zoom*2)-1, line_length, zoom, link_color_default);
@ -222,7 +228,7 @@ void TWebBrowser::ParseHtml(dword _bufpointer, _bufsize){
while (ESBYTE[bufpos] !='>') && (bufpos < bufpointer + bufsize) //ïîëó÷àåì òåã è åãî ïàðàìåòðû
{
bukva = ESBYTE[bufpos];
if (bukva == '\9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' ';
if (bukva == '\x9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' ';
if (!ignor_param) && (bukva <>' ')
{
if (strlen(#tag.name)+1<sizeof(tag.name)) chrcat(#tag.name, bukva);
@ -231,7 +237,7 @@ void TWebBrowser::ParseHtml(dword _bufpointer, _bufsize){
{
ignor_param = true;
if (strlen(#tag.params)+1<sizeof(tag.params)) strcat(#tag.params, #bukva);
// chrncat(#tag.params, bukva, sizeof(tag.params)-1);
//chrncat(#tag.params, bukva, sizeof(tag.params)-1);
}
bufpos++;
}
@ -294,13 +300,12 @@ bool TWebBrowser::CheckForLineBreak()
strcpy(#line, #new_line_text);
NewLine();
//if (strlen(#line)*zoom + stolbec > list.column_max)CheckForLineBreak();
//while (CheckForLineBreak()==true) {};
return true;
}
//============================================================================================
void TWebBrowser::SetStyle() {
char img_path[4096]=0;
int meta_encoding;
dword value;
@ -315,16 +320,6 @@ void TWebBrowser::SetStyle() {
t_html = tag.opened;
return;
}
if (tag.is("q"))
{
if (tag.opened) {
meta_encoding = strlen(#line);
if (line[meta_encoding-1] != ' ') chrcat(#line, ' ');
chrcat(#line, '\"');
}
if (!tag.opened) strcat(#line, "\" ");
return;
}
if (tag.is("title")) {
style.tag_title = tag.opened;
if (!tag.opened) DrawTitle(#header);
@ -339,26 +334,40 @@ void TWebBrowser::SetStyle() {
style.bg_color = page_bg = GetColor(value);
DrawBuf.Fill(0, page_bg);
}
// Autodetecting encoding if no encoding was set
if (tag.opened) && (custom_encoding==-1) && (cur_encoding == CH_CP866) {
if (strstr(bufpointer, "\208\190")) ChangeEncoding(CH_UTF8);
else if (chrnum(bufpointer, '\x246')>5) ChangeEncoding(CH_CP1251);
}
return;
}
if (tag.is("br")) { NewLine(); return; }
if (tag.is("b")) || (tag.is("strong")) || (tag.is("big")) { style.b = tag.opened; return; }
if (tag.is("a")) {
if (tag.opened)
{
if (link) IF(text_color_index > 0) text_color_index--; //åñëè ïðåäûäóùèé òåã à íå áûë çàêðûò
if (value = tag.get_value_of("href=")) && (!strstr(value,"javascript:"))
{
text_color_index++;
text_colors[text_color_index] = text_colors[text_color_index-1];
link = 1;
text_colors[text_color_index] = link_color_default;
link = true;
PageLinks.AddLink(value);
}
} else {
link = 0;
IF(text_color_index > 0) text_color_index--;
link = false;
}
return;
}
if (tag.is("iframe")) && (value = tag.get_value_of("src=")) {
NewLine();
strcpy(#line, "IFRAME: ");
DrawStyle();
link=true;
PageLinks.AddLink(value);
strncpy(#line, value, sizeof(TWebBrowser.line)-1);
while (CheckForLineBreak()) {};
DrawStyle();
link=false;
NewLine();
}
if (tag.is("font")) {
style.bg_color = page_bg;
if (tag.opened)
@ -385,16 +394,14 @@ void TWebBrowser::SetStyle() {
NewLine();
return;
}
if (tag.is("br")) { NewLine(); return; }
if (tag.is("pre")) { style.pre = tag.opened; return; }
if (tag.is("td")) { if (tag.opened) AddCharToTheLine(' '); return; }
if (tag.is("tr")) { if (tag.opened) NewLine(); return; }
if (tag.is("b")) || (tag.is("strong")) || (tag.is("big")) { style.b = tag.opened; return; }
if (tag.is("button")) { style.button = tag.opened; stolbec++; return; }
if (tag.is("u")) || (tag.is("ins")) { style.u=tag.opened; return;}
if (tag.is("s")) || (tag.is("strike")) || (tag.is("del")) { style.s=tag.opened; return; }
if (tag.is("dd")) { stolbec += 5; return; }
//if (tag.is("dd")) { stolbec += 5; return; } //stolbec overflow!
if (tag.is("blockquote")) { style.blq = tag.opened; return; }
if (tag.is("pre")) { style.pre = tag.opened; return; }
if (tag.is("code")) {
if (tag.opened) style.bg_color = 0xe4ffcb; else style.bg_color = page_bg;
style.pre = tag.opened; return;
@ -473,6 +480,16 @@ void TWebBrowser::SetStyle() {
}
return;
}
if (tag.is("q"))
{
if (tag.opened) {
EAX = strlen(#line);
if (line[EAX-1] != ' ') chrcat(#line, ' ');
chrcat(#line, '\"');
}
if (!tag.opened) strcat(#line, "\" ");
return;
}
if (tag.is("hr")) {
if (value = tag.get_value_of("color=")) EDI = GetColor(value); else EDI = 0x999999;
$push edi;
@ -485,24 +502,15 @@ void TWebBrowser::SetStyle() {
return;
}
if (custom_encoding == -1) && (tag.is("meta")) || (tag.is("?xml")) {
meta_encoding = CH_CP866;
if (value = tag.get_value_of("charset=")) || (value = tag.get_value_of("content=")) || (value = tag.get_value_of("encoding="))
{
value += strrchr(value, '='); //search in content=
strlwr(value);
if (streq(value,"utf-8")) || (streq(value,"utf8")) meta_encoding = CH_UTF8;
else if (streq(value,"windows-1251")) || (streq(value,"windows1251")) meta_encoding = CH_CP1251;
else if (streq(value,"dos")) || (streq(value,"cp-866")) meta_encoding = CH_CP866;
else if (streq(value,"iso-8859-5")) || (streq(value,"iso8859-5")) meta_encoding = CH_ISO8859_5;
else if (streq(value,"koi8-r")) || (streq(value,"koi8-u")) meta_encoding = CH_KOI8;
}
if (meta_encoding != CH_CP866) && (cur_encoding != meta_encoding) {
cur_encoding = meta_encoding;
bufpointer = ChangeCharset(cur_encoding*10+#charsets, "CP866", bufpointer);
if (header) {
ChangeCharset(cur_encoding*10+#charsets, "CP866", #header);
DrawTitle(#header);
}
if (streq(value,"utf-8")) || (streq(value,"utf8")) ChangeEncoding(CH_UTF8);
else if (streq(value,"windows-1251")) || (streq(value,"windows1251")) ChangeEncoding(CH_CP1251);
else if (streq(value,"dos")) || (streq(value,"cp-866")) ChangeEncoding(CH_CP866);
else if (streq(value,"iso-8859-5")) || (streq(value,"iso8859-5")) ChangeEncoding(CH_ISO8859_5);
else if (streq(value,"koi8-r")) || (streq(value,"koi8-u")) ChangeEncoding(CH_KOI8);
}
return;
}
@ -520,6 +528,17 @@ void TWebBrowser::DrawScroller()
scrollbar_v_draw(#scroll_wv);
}
//============================================================================================
void TWebBrowser::ChangeEncoding(int _new_encoding)
{
if (cur_encoding == _new_encoding) return;
cur_encoding = _new_encoding;
bufpointer = ChangeCharset(cur_encoding*10+#charsets, "CP866", bufpointer);
if (header) {
ChangeCharset(cur_encoding*10+#charsets, "CP866", #header);
DrawTitle(#header);
}
}
//============================================================================================
void TWebBrowser::NewLine()
{
dword onleft, ontop;

51
programs/cmm/browser/WebView.c
View File

@ -35,53 +35,12 @@ _history history;
#include "history.h"
bool debug_mode = false;
#include "..\TWB\TWB.c" //HTML Parser, a core component
#include "texts.h"
TWebBrowser WB1;
char version[]="WebView 2.1";
#ifdef LANG_RUS
char page_not_found[] = FROM "html\\page_not_found_ru.htm""\0";
char homepage[] = FROM "html\\homepage_ru.htm""\0";
char help[] = FROM "html\\help_ru.htm""\0";
char accept_language[]= "Accept-Language: ru\n";
char rmb_menu[] =
"<EFBFBD>®á¬®âà¥âì ¨á室­¨ª
<EFBFBD>¥¤ ªâ¨à®¢ âì ¨á室­¨ª";
char main_menu[] =
"Žâªàëâì ä ©«
<EFBFBD>®¢®¥ ®ª­®
ˆáâ®à¨ï
Œ¥­¥¤¦¥à § £à㧮ª";
char link_menu[] =
"Š®¯¨à®¢ âì áá뫪ã
‘ª ç âì ᮤ¥à¦¨¬®¥ áá뫪¨";
char loading_text[] = "‡ £à㧪 ...";
#else
char page_not_found[] = FROM "html\\page_not_found_en.htm""\0";
char homepage[] = FROM "html\\homepage_en.htm""\0";
char help[] = FROM "html\\help_en.htm""\0";
char accept_language[]= "Accept-Language: en\n";
char rmb_menu[] =
"View source
Edit source";
char main_menu[] =
"Open local file
New window
History
Download Manager";
char link_menu[] =
"Copy link
Download link contents";
char loading_text[] = "Loading...";
#endif
#define URL_SIZE 4000
#define URL_SERVICE_HISTORY "WebView:history"
#define URL_SERVICE_HOMEPAGE "WebView:home"
#define URL_SERVICE_HELP "WebView:help"
#define PADDING 9
#define SKIN_Y 24
#define TSZE 25
@ -157,7 +116,8 @@ void main()
{
int i, btn, redirect_count=0;
LoadLibraries();
CreateDir("/tmp0/1/downloads");
CreateDir("/tmp0/1/Downloads");
CreateDir("/tmp0/1/WebView_Cache");
Libimg_LoadImage(#skin, "/sys/toolbar.png");
HandleParam();
skin.h = 26;
@ -490,7 +450,10 @@ void OpenPage(dword _open_URL)
history.add(#new_url);
if (!strncmp(#new_url,"WebView:",8)) {
if (pages_cache.have(#new_url)) {
LoadInternalPage(pages_cache.current_page_buf, pages_cache.pages_cache.current_page_size);
}
else if (!strncmp(#new_url,"WebView:",8)) {
//INTERNAL PAGE
if (!strcmp(#new_url, URL_SERVICE_HOMEPAGE)) LoadInternalPage(#homepage, sizeof(homepage));
else if (!strcmp(#new_url, URL_SERVICE_HELP)) LoadInternalPage(#help, sizeof(help));

42
programs/cmm/browser/texts.h Normal file
View File

@ -0,0 +1,42 @@
char version[]="WebView 2.15";
#ifdef LANG_RUS
char page_not_found[] = FROM "html\\page_not_found_ru.htm""\0";
char homepage[] = FROM "html\\homepage_ru.htm""\0";
char help[] = FROM "html\\help_ru.htm""\0";
char accept_language[]= "Accept-Language: ru\n";
char rmb_menu[] =
"<EFBFBD>®á¬®âà¥âì ¨á室­¨ª
<EFBFBD>¥¤ ªâ¨à®¢ âì ¨á室­¨ª";
char main_menu[] =
"Žâªàëâì ä ©«
<EFBFBD>®¢®¥ ®ª­®
ˆáâ®à¨ï
Œ¥­¥¤¦¥à § £à㧮ª";
char link_menu[] =
"Š®¯¨à®¢ âì áá뫪ã
‘ª ç âì ᮤ¥à¦¨¬®¥ áá뫪¨";
char loading_text[] = "‡ £à㧪 ...";
#else
char page_not_found[] = FROM "html\\page_not_found_en.htm""\0";
char homepage[] = FROM "html\\homepage_en.htm""\0";
char help[] = FROM "html\\help_en.htm""\0";
char accept_language[]= "Accept-Language: en\n";
char rmb_menu[] =
"View source
Edit source";
char main_menu[] =
"Open local file
New window
History
Download Manager";
char link_menu[] =
"Copy link
Download link contents";
char loading_text[] = "Loading...";
#endif
#define URL_SERVICE_HISTORY "WebView:history"
#define URL_SERVICE_HOMEPAGE "WebView:home"
#define URL_SERVICE_HELP "WebView:help"