From 08c86a69b964ca5183fbf93bf29d9a2fa9cb7663 Mon Sep 17 00:00:00 2001 From: Robin Krahl Date: Wed, 8 Jun 2016 19:29:23 +0200 Subject: dbfp: add man pages for dbfp_location_close, dbfp_query_location --- man/dbfp_init.3 | 26 ++--- man/dbfp_location_close.3 | 154 ++++++++++++++++++++++++++++ man/dbfp_location_close.pod | 20 ++++ man/dbfp_query_location.3 | 242 ++++++++++++++++++++++++++++++++++++++++++++ man/dbfp_query_location.pod | 119 ++++++++++++++++++++++ 5 files changed, 546 insertions(+), 15 deletions(-) create mode 100644 man/dbfp_location_close.3 create mode 100644 man/dbfp_location_close.pod create mode 100644 man/dbfp_query_location.3 create mode 100644 man/dbfp_query_location.pod (limited to 'man') diff --git a/man/dbfp_init.3 b/man/dbfp_init.3 index c1544c0..46a8a77 100644 --- a/man/dbfp_init.3 +++ b/man/dbfp_init.3 @@ -1,4 +1,4 @@ -.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.28) +.\" Automatically generated by Pod::Man 4.07 (Pod::Simple 3.32) .\" .\" Standard preamble: .\" ======================================================================== @@ -46,7 +46,7 @@ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" -.\" If the F register is turned on, we'll generate index entries on stderr for +.\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. @@ -54,20 +54,16 @@ .\" Avoid warning from groff about undefined register 'F'. .de IX .. -.nr rF 0 -.if \n(.g .if rF .nr rF 1 -.if (\n(rF:(\n(.g==0)) \{ -. if \nF \{ -. de IX -. tm Index:\\$1\t\\n%\t"\\$2" +.if !\nF .nr F 0 +.if \nF>0 \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" .. -. if !\nF==2 \{ -. nr % 0 -. nr F 2 -. \} +. if !\nF==2 \{\ +. nr % 0 +. nr F 2 . \} .\} -.rr rF .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. @@ -133,7 +129,7 @@ .\" ======================================================================== .\" .IX Title "DBFP_INIT 3" -.TH DBFP_INIT 3 "2016-06-06" "0.1.0" "DB timetable API" +.TH DBFP_INIT 3 "2016-06-08" "0.1.0" "DB timetable API" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l @@ -208,4 +204,4 @@ if curl could not be initialized .Ve .SH "SEE ALSO" .IX Header "SEE ALSO" -\&\fIdbfp_close\fR\|(3), \fIdbfp_query_location\fR\|(3), \fIdbfp_query_departure\fR\|(3) +\&\fIdbfp_close\fR\|(3) diff --git a/man/dbfp_location_close.3 b/man/dbfp_location_close.3 new file mode 100644 index 0000000..20eb424 --- /dev/null +++ b/man/dbfp_location_close.3 @@ -0,0 +1,154 @@ +.\" Automatically generated by Pod::Man 4.07 (Pod::Simple 3.32) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. Capital omega is used to do unbreakable dashes and +.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, +.\" nothing in troff, for use with C<>. +.tr \(*W- +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +. ds C` +. ds C' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is >0, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.\" +.\" Avoid warning from groff about undefined register 'F'. +.de IX +.. +.if !\nF .nr F 0 +.if \nF>0 \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. if !\nF==2 \{\ +. nr % 0 +. nr F 2 +. \} +.\} +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "DBFP_LOCATION_CLOSE 3" +.TH DBFP_LOCATION_CLOSE 3 "2016-06-08" "0.1.0" "DB timetable API" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +dbfb_location_close \- cleans up the data stored for a location returned by the +DB timetable API +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include +\& +\& void dbfp_location_close(struct dbfp_location *location); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fBdbfp_location_close\fR cleans up a \fIdbfp_location\fR structure and releases +its allocated resources. The structure itself is not freed. \fIlocation\fR +may be \s-1NULL.\s0 +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIdbfp_query_location\fR\|(3) diff --git a/man/dbfp_location_close.pod b/man/dbfp_location_close.pod new file mode 100644 index 0000000..2120668 --- /dev/null +++ b/man/dbfp_location_close.pod @@ -0,0 +1,20 @@ +=head1 NAME + +dbfb_location_close - cleans up the data stored for a location returned by the +DB timetable API + +=head1 SYNOPSIS + + #include + + void dbfp_location_close(struct dbfp_location *location); + +=head1 DESCRIPTION + +B cleans up a I structure and releases +its allocated resources. The structure itself is not freed. I +may be NULL. + +=head1 SEE ALSO + +L diff --git a/man/dbfp_query_location.3 b/man/dbfp_query_location.3 new file mode 100644 index 0000000..b620283 --- /dev/null +++ b/man/dbfp_query_location.3 @@ -0,0 +1,242 @@ +.\" Automatically generated by Pod::Man 4.07 (Pod::Simple 3.32) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. Capital omega is used to do unbreakable dashes and +.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, +.\" nothing in troff, for use with C<>. +.tr \(*W- +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +. ds C` +. ds C' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is >0, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.\" +.\" Avoid warning from groff about undefined register 'F'. +.de IX +.. +.if !\nF .nr F 0 +.if \nF>0 \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. if !\nF==2 \{\ +. nr % 0 +. nr F 2 +. \} +.\} +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "DBFP_QUERY_LOCATION 3" +.TH DBFP_QUERY_LOCATION 3 "2016-06-08" "0.1.0" "DB timetable API" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +dbfp_query_loation \- get a list of stations matching a string from the DB +timetable API +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include +\& +\& int dbfp_query_location(struct dbfp *dbfp, char *input, size_t *n, +\& struct dbfp_location **locations); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fBdbfp_query_location\fR queries a list of locations matching the query string +\&\fIinput\fR from the \s-1DB\s0 timetable \s-1API\s0 using the connection metadata stored in +\&\fIdbfp\fR. The number of results is stored in \fIn\fR. The results are stored in +\&\fIlocations\fR. The memory for the \fIlocations\fR is allocated by the function. +The stored array contains exactly \fIn\fR elements, and is not \s-1NULL\s0 terminated. +.PP +\&\fIdbfp\fR, \fIinput\fR, \fIn\fR and \fIlocations\fR must not be \s-1NULL. \s0\fIdbfp\fR must have +been initialized with \fIdbfp_init\fR. The elements in \fIlocations\fR should be +closed with \fIdbfp_location_close\fR. \fIlocations\fR should be freed by the +caller. +.PP +If the query fails, the values of \fIn\fR and \fIlocations\fR are set to 0 and \s-1NULL\s0 +respectively. +.PP +The \fBdbfp_location\fR structure is defined as: +.PP +.Vb 6 +\& struct dbfp_location { +\& char *name; +\& char *id; +\& float lon; +\& float lat; +\& }; +.Ve +.PP +\&\fIname\fR is the name of the station. \fIid\fR is the \s-1DB\s0 id of the station. It +seems to be an integer, but this is not guaranteed. \fIlon\fR and \fIlat\fR are the +coordinates of the station. +.SH "RETURN VALUE" +.IX Header "RETURN VALUE" +\&\fBdbfp_query_location\fR returns zero if successful, or a non-zero error code. +Positive error codes are from \fIerrno.h\fR, negative error codes are specific +to dbfp. +.SH "ERRORS" +.IX Header "ERRORS" +.IP "\s-1EINVAL\s0" 4 +.IX Item "EINVAL" +if \fIdbfp\fR, \fIinput\fR, \fIn\fR or \fIlocations\fR is \s-1NULL\s0 +.IP "\s-1ENOMEM\s0" 4 +.IX Item "ENOMEM" +if there is not enough memory to store the results of the query +.IP "\s-1DBFP_ERROR_CURL\s0" 4 +.IX Item "DBFP_ERROR_CURL" +if an error occured during the preparation or execution of the network request +.IP "\s-1DBFP_ERROR_FORMAT\s0" 4 +.IX Item "DBFP_ERROR_FORMAT" +if an error occurs during the formatting of the \s-1URL\s0 +.IP "\s-1DBFP_ERROR_PARSE\s0" 4 +.IX Item "DBFP_ERROR_PARSE" +if an error occurs during the parsing of the \s-1XML\s0 response +.IP "\s-1DBFP_ERROR_STRUCTURE\s0" 4 +.IX Item "DBFP_ERROR_STRUCTURE" +if the \s-1API\s0 response has not the expected structure +.SH "EXAMPLE" +.IX Header "EXAMPLE" +.Vb 3 +\& #include +\& #include +\& #include +\& +\& int main(int argc, char **argv) +\& { +\& int err = 0; +\& struct dbfp dbfp; +\& struct dbfp_location *locations = NULL; +\& size_t n = 0; +\& size_t i; +\& +\& err = dbfp_init(&dbfp, "API key"); +\& if (err) +\& goto cleanup; +\& err = dbfp_query_location(&dbfp, "Freibu", &n, &locations); +\& if (err) +\& goto cleanup; +\& +\& printf("Number of matches: %zu\en", n); +\& for (i = 0; i < n; i++) +\& printf("%s: %s (%.2f, %.2f)", locations[i].id, +\& locations[i].name, locations[i].lon, +\& locations[i].lat); +\& +\& cleanup: +\& for (i = 0; i < n; i++) +\& dbfp_location_close(&locations[i]); +\& free(locations); +\& dbfp_close(&dbfp); +\& +\& return err ? EXIT_FAILURE : EXIT_SUCCESS; +\& } +.Ve +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIdbfp_init\fR\|(3), \fIdbfp_location_close\fR\|(3) diff --git a/man/dbfp_query_location.pod b/man/dbfp_query_location.pod new file mode 100644 index 0000000..6aa586d --- /dev/null +++ b/man/dbfp_query_location.pod @@ -0,0 +1,119 @@ +=head1 NAME + +dbfp_query_loation - get a list of stations matching a string from the DB +timetable API + +=head1 SYNOPSIS + + #include + + int dbfp_query_location(struct dbfp *dbfp, char *input, size_t *n, + struct dbfp_location **locations); + +=head1 DESCRIPTION + +B queries a list of locations matching the query string +I from the DB timetable API using the connection metadata stored in +I. The number of results is stored in I. The results are stored in +I. The memory for the I is allocated by the function. +The stored array contains exactly I elements, and is not NULL terminated. + +I, I, I and I must not be NULL. I must have +been initialized with I. The elements in I should be +closed with I. I should be freed by the +caller. + +If the query fails, the values of I and I are set to 0 and NULL +respectively. + +The B structure is defined as: + + struct dbfp_location { + char *name; + char *id; + float lon; + float lat; + }; + +I is the name of the station. I is the DB id of the station. It +seems to be an integer, but this is not guaranteed. I and I are the +coordinates of the station. + +=head1 RETURN VALUE + +B returns zero if successful, or a non-zero error code. +Positive error codes are from I, negative error codes are specific +to dbfp. + +=head1 ERRORS + +=over + +=item EINVAL + +if I, I, I or I is NULL + +=item ENOMEM + +if there is not enough memory to store the results of the query + +=item DBFP_ERROR_CURL + +if an error occured during the preparation or execution of the network request + +=item DBFP_ERROR_FORMAT + +if an error occurs during the formatting of the URL + +=item DBFP_ERROR_PARSE + +if an error occurs during the parsing of the XML response + +=item DBFP_ERROR_STRUCTURE + +if the API response has not the expected structure + +=back + +=head1 EXAMPLE + + #include + #include + #include + #include + + int main(int argc, char **argv) + { + int err = 0; + struct dbfp dbfp; + struct dbfp_location *locations = NULL; + size_t n = 0; + size_t i; + + err = dbfp_init(&dbfp, "API key"); + if (err) + goto cleanup; + err = dbfp_query_location(&dbfp, "Freibu", &n, &locations); + if (err) + goto cleanup; + + printf("Number of matches: %zu\n", n); + for (i = 0; i < n; i++) + printf("%s: %s (%.2f, %.2f)", locations[i].id, + locations[i].name, locations[i].lon, + locations[i].lat); + + cleanup: + if (err) + printf("An error occured: %s\n", strerror(err)); + for (i = 0; i < n; i++) + dbfp_location_close(&locations[i]); + free(locations); + dbfp_close(&dbfp); + + return err ? EXIT_FAILURE : EXIT_SUCCESS; + } + +=head1 SEE ALSO + +L, L -- cgit v1.2.1