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base_SQL="SELECT title,author,journal,year,token,doi,arxiv,citeref,prauth,bibtex FROM bibliography"
base_SQL_noprauth="SELECT title,author,journal,year,token,doi,arxiv,citeref,bibtex FROM bibliography"
# add quotes
function SQL_addquotes {
while read -r line; do
# add quotes and escape string
if [ -n "$line" ]; then
line=$(escape_string "$line")
line="${line/%=/= }"
line="${line/ = /=\"}"
line="${line/%/\"}"
fi
echo "$line"
done
}
# SQL command for alphabetical ordering
function generate_SQL_alpha {
echo -n "$base_SQL WHERE citeref='"
# whether there is a citeref
exists_citeref=0
# sift through aux file
grep -h "$aux_cmd" $aux | while read -r citerefs; do
eval "citerefs=\${citerefs#$aux_cmd}"
citerefs="${citerefs%\}}"
# can be a comma separated list
for citeref in $(echo -n "$citerefs" | tr ',' '\n'); do
# replace the citeref with a ref_map if there is any
if [ -n "$ref_map" ]; then
citeref=$(map_citeref "$citeref")
fi
# Only query the db if there is no matching extra entry
foundit=0
if [ ${#extra} -gt 0 ]; then
for entry in "${extra[@]}"; do
ref="${entry#*:}"
ref="${ref%%:*}"
if [ "$ref" = "$citeref" ]; then
foundit=1
break
fi
done
fi
if [ "$foundit" = 0 ]; then
echo -n "$citeref' OR citeref='"
exists_citeref=1
fi
done
done
# if there are no citerefs close '
[ $exists_citeref = 0 ] && echo -n "'"
}
# fetch entries by alphabetical order
function fetch_BBlog_entries_alpha {
SQL="$(generate_SQL_alpha)"
SQL="${SQL% OR citeref=\'} ORDER BY prauth,year"
sqlite3 -line "$db" "$SQL" | SQL_addquotes
# add an empty line
echo ""
}
# fetch entries by order of appearance
function fetch_BBlog_entries_appearance {
# keep track of citerefs to avoid repetitions
citeref_list=""
# sift through aux file
grep -h "$aux_cmd" $aux | while read -r citerefs; do
eval "citerefs=\${citerefs#$aux_cmd}"
citerefs="${citerefs%\}}"
# can be a comma separated list
for citeref in $(echo -n "$citerefs" | tr ',' '\n'); do
# replace the citeref with a ref_map if there is any
if [ -n "$ref_map" ]; then
citeref=$(map_citeref "$citeref")
fi
# check whether the reference was already cited
citeref_list="$citeref_list;"
if $(echo "$citeref_list" | grep -q ";$citeref;"); then
# remove trailing ';'
citeref_list="${citeref_list%;}"
else
citeref_list="$citeref_list$citeref"
# Only query the db if there is no matching extra entry
foundit=0
if [ ${#extra} -gt 0 ]; then
for entry in "${extra[@]}"; do
ref="${entry#*:}"
ref="${ref%%:*}"
if [ "$ref" = "$citeref" ]; then
foundit=1
break
fi
done
fi
if [ "$foundit" = 0 ]; then
SQL="$base_SQL_noprauth WHERE citeref='$citeref'"
sqlite3 -line "$db" "$SQL" | SQL_addquotes
else
echo "citeref=$citeref"
fi
# add an empty line
echo ""
fi
done
done
}
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