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- Add new entries to mailcap using Open with.. dialog

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- Start of work on Properties window. For now, the code is very ugly and it is read only.
This commit is contained in:
Vedran Ljubovic
2008-06-22 21:21:01 +00:00
parent 08261736b7
commit 03a987a90d
8 changed files with 623 additions and 73 deletions
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124
efiler/mailcap.cpp
View File

@ -35,6 +35,13 @@
// FIXME: use favourite aplications to find xterm
#define TERM "xterm"
// Maximum length of a mailcap spec
// We could've used edelib::String, but that would make the whole code a bit
// more complex and a bit slower. There's no reason for mailcap to be longer
// (very long mailcaps are usually application specific codes /e.g. mutt/ which
// isn't useful to us)
#define BUFLEN 1000
using namespace edelib; // this drastically shortened the code...
@ -45,9 +52,15 @@ struct mime_db_struct {
String createcmd;
String editcmd;
String printcmd;
bool copiousoutput;
bool needsterminal;
};
// database of parsed mimetypes
list<mime_db_struct> mime_db;
// flag to know if we should call read_files()
bool files_read=false;
@ -56,9 +69,9 @@ bool files_read=false;
String mailcap_sanitize(char* cmd, String type) {
String s(cmd);
unsigned int k = s.find("%s");
// no %s, file should be piped to stdin
unsigned int k = s.find("%s");
if (k==String::npos) {
s = String("cat '%s' | ") + cmd;
} else {
@ -87,12 +100,14 @@ String mailcap_sanitize(char* cmd, String type) {
s = s.substr(0,k) + s.substr(k+2);
k = s.find("}",k); // there has to be a closing brace...
if (k!=String::npos) s= s.substr(0,k) + s.substr(k+1);
k = s.find("%{",k);
k = s.find("%{",k+1);
}
return s;
}
// Read contents of mailcap file
void read_files() {
list<String> locations;
@ -100,7 +115,7 @@ void read_files() {
stringtok(locations, String(MAILCAPS), ":");
// Add ~/.mailcap
locations.push_front(dir_home() + E_DIR_SEPARATOR_STR".mailcap");
// Add EDE specific configuracion
// Add EDE specific configuration
if (user_config_dir() != "")
locations.push_front(user_config_dir() + E_DIR_SEPARATOR_STR"ede"E_DIR_SEPARATOR_STR"mailcap");
@ -120,8 +135,8 @@ void read_files() {
// Read data into list
FILE *fp = fopen(mailcap,"r");
char buffer[1000];
while (fgets(buffer,1000,fp)) {
char buffer[BUFLEN];
while (fgets(buffer,BUFLEN,fp)) {
str_trim(buffer);
if (buffer[0]=='#') continue; //comment
if (strlen(buffer)<2) continue; //empty line
@ -129,15 +144,15 @@ void read_files() {
// Multiline
if (buffer[strlen(buffer)-1]=='\\') {
String line(buffer); //Use string for dynamic growing
while (fgets(buffer,1000,fp)) {
while (fgets(buffer,BUFLEN,fp)) {
str_trim(buffer);
line = line.substr(0, line.length()-2);
line += buffer;
if (buffer[strlen(buffer)-1]!='\\') break;
}
// Use just the first 1000 chars
strncpy(buffer, line.c_str(), 1000);
buffer[999]='\0';
// Use just the first BUFLEN chars
strncpy(buffer, line.c_str(), BUFLEN);
buffer[BUFLEN]='\0';
}
// Parse line
@ -146,20 +161,20 @@ void read_files() {
str_trim(tmp);
parsed.type=tmp;
// View command
// Command for viewing file
tmp = strtok(NULL, ";");
if (tmp==NULL) continue; // no view cmd in line!?
str_trim(tmp);
parsed.viewcmd = mailcap_sanitize(tmp, parsed.type);
// Other mailcap parameters...
parsed.copiousoutput = parsed.needsterminal = false;
while ((tmp = strtok(NULL, ";")) != NULL) {
str_trim(tmp);
if (strcmp(tmp,"copiousoutput")==0)
// TODO: use enotepad? when it supports stdin
parsed.viewcmd = TERM" -e \"" + parsed.viewcmd + " | less\"";
parsed.copiousoutput = true;
else if (strcmp(tmp,"needsterminal")==0)
parsed.viewcmd = TERM" -e \"" + parsed.viewcmd + "\"";
parsed.needsterminal = true;
else if (strncmp(tmp,"compose=",8)==0)
parsed.createcmd = mailcap_sanitize(tmp+8, parsed.type);
else if (strncmp(tmp,"print=",6)==0)
@ -175,6 +190,9 @@ void read_files() {
files_read=true;
}
// Helper function for searching mime_db
list<mime_db_struct>::iterator find_type(const char* type) {
list<mime_db_struct>::iterator it = mime_db.begin(), it_end = mime_db.end();
for(; it != it_end; ++it)
@ -189,17 +207,36 @@ list<mime_db_struct>::iterator find_type(const char* type) {
return 0;
}
// Command for performing given action on files of given type
const char* mailcap_opener(const char* type, MailcapAction action) {
static char buffer[BUFLEN];
if (!files_read) read_files();
list<mime_db_struct>::iterator it = find_type(type);
if (it==0) return 0;
if (action==MAILCAP_VIEW) return (*it).viewcmd.c_str();
if (action==MAILCAP_VIEW) {
const char *c = (*it).viewcmd.c_str();
if ((*it).copiousoutput) {
// copiousoutput and needsterminal are mutually exclusive [2]
// TODO: use enotepad? - when it supports stdin
snprintf(buffer, BUFLEN-1, TERM" -e \"%s\" | less", c);
} else if ((*it).needsterminal) {
snprintf(buffer, BUFLEN-1, TERM" -e \"%s\"", c);
} else return c;
return buffer;
}
else if (action==MAILCAP_CREATE) return (*it).createcmd.c_str();
else if (action==MAILCAP_EDIT) return (*it).editcmd.c_str();
else if (action==MAILCAP_PRINT) return (*it).printcmd.c_str();
else return 0;
}
// List of actions available for given type
int mailcap_actions(const char* type) {
if (!files_read) read_files();
list<mime_db_struct>::iterator it = find_type(type);
@ -211,3 +248,62 @@ int mailcap_actions(const char* type) {
if ((*it).printcmd != "") result += MAILCAP_PRINT;
return result;
}
// Add a new opener for given type
// NOTE: This will be written in EDE-specific location. If EDE-specific
// mailcap file doesn't exist, it will be created and existing mimetypes
// will be added. Thus, users of EDE will get a new type in addition to
// old ones, however other applications will not.
void mailcap_add_type(const char* type, const char* opener) {
// Find old type, edit if it exists
list<mime_db_struct>::iterator it = find_type(type);
if (it != 0) {
(*it).viewcmd = opener;
(*it).viewcmd += " %s";
} else {
mime_db_struct newtype;
newtype.type = type;
newtype.viewcmd = opener;
newtype.viewcmd += " %s";
newtype.createcmd = "";
newtype.editcmd = "";
newtype.printcmd = "";
newtype.copiousoutput = false;
newtype.needsterminal = false;
mime_db.push_back(newtype);
}
// Write mime_db contents to file
String ede_mailcap = user_config_dir() + E_DIR_SEPARATOR_STR"ede"E_DIR_SEPARATOR_STR"mailcap";
FILE *fp = fopen(ede_mailcap.c_str(),"w");
it = mime_db.begin();
list<mime_db_struct>::iterator it_end = mime_db.end();
while (it != it_end) {
char buffer[BUFLEN];
snprintf(buffer, BUFLEN-1, "%s; %s", (*it).type.c_str(), (*it).viewcmd.c_str());
if ((*it).createcmd != "") {
strncat(buffer, "; compose=", BUFLEN-1-strlen(buffer));
strncat(buffer, (*it).createcmd.c_str(), BUFLEN-1-strlen(buffer));
}
if ((*it).editcmd != "") {
strncat(buffer, "; edit=", BUFLEN-1-strlen(buffer));
strncat(buffer, (*it).editcmd.c_str(), BUFLEN-1-strlen(buffer));
}
if ((*it).printcmd != "") {
strncat(buffer, "; print=", BUFLEN-1-strlen(buffer));
strncat(buffer, (*it).printcmd.c_str(), BUFLEN-1-strlen(buffer));
}
if (strlen(buffer)>BUFLEN-2)
// Even if line is too long, we don't want to mangle the next one
buffer[strlen(buffer)-1]='\n';
else
strcat(buffer, "\n");
fputs(buffer, fp);
++it;
}
fclose(fp);
}